408978180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 384

約数和(自身を含む): 1524096000

約数和(自身を除く): 1115117820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 23, 26, 27, 30, 34, 36, 39, 45, 46, 51, 52, 54, 60, 65, 68, 69, 78, 85, 90, 92, 102, 108, 115, 117, 130, 135, 138, 149, 153, 156, 170, 180, 195, 204, 207, 221, 230, 234, 255, 260, 270, 276, 298, 299, 306, 340, 345, 351, 390, 391, 414, 442, 447, 459, 460, 468, 510, 540, 585, 596, 598, 612, 621, 663, 690, 702, 745, 765, 780, 782, 828, 884, 894, 897, 918, 1020, 1035, 1105, 1170, 1173, 1196, 1242, 1326, 1341, 1380, 1404, 1490, 1495, 1530, 1564, 1755, 1788, 1794, 1836, 1937, 1955, 1989, 2070, 2210, 2235, 2295, 2340, 2346, 2484, 2533, 2652, 2682, 2691, 2980, 2990, 3060, 3105, 3315, 3427, 3510, 3519, 3588, 3874, 3910, 3978, 4023, 4140, 4420, 4470, 4485, 4590, 4692, 5066, 5083, 5364, 5382, 5811, 5865, 5967, 5980, 6210, 6630, 6705, 6854, 7020, 7038, 7599, 7748, 7820, 7956, 8046, 8073, 8940, 8970, 9180, 9685, 9945, 10132, 10166, 10281, 10557, 10764, 11622, 11730, 11934, 12420, 12665, 13260, 13410, 13455, 13708, 14076, 15198, 15249, 16092, 16146, 17135, 17433, 17595, 17940, 19370, 19890, 20115, 20332, 20562, 21114, 22797, 23244, 23460, 23868, 25330, 25415, 26820, 26910, 29055, 29835, 30396, 30498, 30843, 32292, 32929, 34270, 34866, 35190, 37995, 38740, 39780, 40230, 40365, 41124, 42228, 44551, 45594, 45747, 50660, 50830, 51405, 52299, 52785, 53820, 58110, 58259, 59670, 60996, 61686, 65858, 68391, 68540, 69732, 70380, 75990, 76245, 80460, 80730, 87165, 89102, 91188, 91494, 92529, 98787, 101660, 102810, 104598, 105570, 113985, 116220, 116518, 119340, 123372, 131716, 133653, 136782, 137241, 151980, 152490, 154215, 161460, 164645, 174330, 174777, 178204, 182988, 185058, 197574, 205620, 209196, 211140, 222755, 227970, 228735, 233036, 261495, 267306, 273564, 274482, 291295, 296361, 304980, 308430, 329290, 341955, 348660, 349554, 370116, 395148, 400959, 445510, 455940, 457470, 462645, 493935, 522990, 524331, 534612, 548964, 582590, 592722, 616860, 658580, 668265, 683910, 686205, 699108, 757367, 801918, 873885, 889083, 891020, 914940, 925290, 987870, 1045980, 1048662, 1165180, 1185444, 1202877, 1336530, 1367820, 1372410, 1481805, 1514734, 1572993, 1603836, 1747770, 1778166, 1850580, 1975740, 2004795, 2097324, 2272101, 2405754, 2621655, 2673060, 2744820, 2963610, 3029468, 3145986, 3495540, 3556332, 3786835, 4009590, 4445415, 4544202, 4811508, 5243310, 5927220, 6014385, 6291972, 6816303, 7573670, 7864965, 8019180, 8890830, 9088404, 10486620, 11360505, 12028770, 13632606, 15147340, 15729930, 17781660, 20448909, 22721010, 24057540, 27265212, 31459860, 34081515, 40897818, 45442020, 68163030, 81795636, 102244545, 136326060, 204489090, 408978180]

約数ペア:

[(1, 408978180), (2, 204489090), (3, 136326060), (4, 102244545), (5, 81795636), (6, 68163030), (9, 45442020), (10, 40897818), (12, 34081515), (13, 31459860), (15, 27265212), (17, 24057540), (18, 22721010), (20, 20448909), (23, 17781660), (26, 15729930), (27, 15147340), (30, 13632606), (34, 12028770), (36, 11360505), (39, 10486620), (45, 9088404), (46, 8890830), (51, 8019180), (52, 7864965), (54, 7573670), (60, 6816303), (65, 6291972), (68, 6014385), (69, 5927220), (78, 5243310), (85, 4811508), (90, 4544202), (92, 4445415), (102, 4009590), (108, 3786835), (115, 3556332), (117, 3495540), (130, 3145986), (135, 3029468), (138, 2963610), (149, 2744820), (153, 2673060), (156, 2621655), (170, 2405754), (180, 2272101), (195, 2097324), (204, 2004795), (207, 1975740), (221, 1850580), (230, 1778166), (234, 1747770), (255, 1603836), (260, 1572993), (270, 1514734), (276, 1481805), (298, 1372410), (299, 1367820), (306, 1336530), (340, 1202877), (345, 1185444), (351, 1165180), (390, 1048662), (391, 1045980), (414, 987870), (442, 925290), (447, 914940), (459, 891020), (460, 889083), (468, 873885), (510, 801918), (540, 757367), (585, 699108), (596, 686205), (598, 683910), (612, 668265), (621, 658580), (663, 616860), (690, 592722), (702, 582590), (745, 548964), (765, 534612), (780, 524331), (782, 522990), (828, 493935), (884, 462645), (894, 457470), (897, 455940), (918, 445510), (1020, 400959), (1035, 395148), (1105, 370116), (1170, 349554), (1173, 348660), (1196, 341955), (1242, 329290), (1326, 308430), (1341, 304980), (1380, 296361), (1404, 291295), (1490, 274482), (1495, 273564), (1530, 267306), (1564, 261495), (1755, 233036), (1788, 228735), (1794, 227970), (1836, 222755), (1937, 211140), (1955, 209196), (1989, 205620), (2070, 197574), (2210, 185058), (2235, 182988), (2295, 178204), (2340, 174777), (2346, 174330), (2484, 164645), (2533, 161460), (2652, 154215), (2682, 152490), (2691, 151980), (2980, 137241), (2990, 136782), (3060, 133653), (3105, 131716), (3315, 123372), (3427, 119340), (3510, 116518), (3519, 116220), (3588, 113985), (3874, 105570), (3910, 104598), (3978, 102810), (4023, 101660), (4140, 98787), (4420, 92529), (4470, 91494), (4485, 91188), (4590, 89102), (4692, 87165), (5066, 80730), (5083, 80460), (5364, 76245), (5382, 75990), (5811, 70380), (5865, 69732), (5967, 68540), (5980, 68391), (6210, 65858), (6630, 61686), (6705, 60996), (6854, 59670), (7020, 58259), (7038, 58110), (7599, 53820), (7748, 52785), (7820, 52299), (7956, 51405), (8046, 50830), (8073, 50660), (8940, 45747), (8970, 45594), (9180, 44551), (9685, 42228), (9945, 41124), (10132, 40365), (10166, 40230), (10281, 39780), (10557, 38740), (10764, 37995), (11622, 35190), (11730, 34866), (11934, 34270), (12420, 32929), (12665, 32292), (13260, 30843), (13410, 30498), (13455, 30396), (13708, 29835), (14076, 29055), (15198, 26910), (15249, 26820), (16092, 25415), (16146, 25330), (17135, 23868), (17433, 23460), (17595, 23244), (17940, 22797), (19370, 21114), (19890, 20562), (20115, 20332)]