72172620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 240

約数和(自身を含む): 256132800

約数和(自身を除く): 183960180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 149, 156, 162, 180, 195, 207, 230, 234, 260, 270, 276, 298, 299, 324, 345, 351, 390, 405, 414, 447, 460, 468, 540, 585, 596, 598, 621, 690, 702, 745, 780, 810, 828, 894, 897, 1035, 1053, 1170, 1196, 1242, 1341, 1380, 1404, 1490, 1495, 1620, 1755, 1788, 1794, 1863, 1937, 2070, 2106, 2235, 2340, 2484, 2682, 2691, 2980, 2990, 3105, 3427, 3510, 3588, 3726, 3874, 4023, 4140, 4212, 4470, 4485, 5265, 5364, 5382, 5811, 5980, 6210, 6705, 6854, 7020, 7452, 7748, 8046, 8073, 8940, 8970, 9315, 9685, 10281, 10530, 10764, 11622, 12069, 12420, 13410, 13455, 13708, 16092, 16146, 17135, 17433, 17940, 18630, 19370, 20115, 20562, 21060, 23244, 24138, 24219, 26820, 26910, 29055, 30843, 32292, 34270, 34866, 37260, 38740, 40230, 40365, 41124, 44551, 48276, 48438, 51405, 52299, 53820, 58110, 60345, 61686, 68540, 69732, 80460, 80730, 87165, 89102, 92529, 96876, 102810, 104598, 116220, 120690, 121095, 123372, 133653, 154215, 156897, 161460, 174330, 178204, 185058, 205620, 209196, 222755, 241380, 242190, 261495, 267306, 277587, 308430, 313794, 348660, 370116, 400959, 445510, 462645, 484380, 522990, 534612, 555174, 616860, 627588, 668265, 784485, 801918, 891020, 925290, 1045980, 1110348, 1202877, 1336530, 1387935, 1568970, 1603836, 1850580, 2004795, 2405754, 2673060, 2775870, 3137940, 3608631, 4009590, 4811508, 5551740, 6014385, 7217262, 8019180, 12028770, 14434524, 18043155, 24057540, 36086310, 72172620]

約数ペア:

[(1, 72172620), (2, 36086310), (3, 24057540), (4, 18043155), (5, 14434524), (6, 12028770), (9, 8019180), (10, 7217262), (12, 6014385), (13, 5551740), (15, 4811508), (18, 4009590), (20, 3608631), (23, 3137940), (26, 2775870), (27, 2673060), (30, 2405754), (36, 2004795), (39, 1850580), (45, 1603836), (46, 1568970), (52, 1387935), (54, 1336530), (60, 1202877), (65, 1110348), (69, 1045980), (78, 925290), (81, 891020), (90, 801918), (92, 784485), (108, 668265), (115, 627588), (117, 616860), (130, 555174), (135, 534612), (138, 522990), (149, 484380), (156, 462645), (162, 445510), (180, 400959), (195, 370116), (207, 348660), (230, 313794), (234, 308430), (260, 277587), (270, 267306), (276, 261495), (298, 242190), (299, 241380), (324, 222755), (345, 209196), (351, 205620), (390, 185058), (405, 178204), (414, 174330), (447, 161460), (460, 156897), (468, 154215), (540, 133653), (585, 123372), (596, 121095), (598, 120690), (621, 116220), (690, 104598), (702, 102810), (745, 96876), (780, 92529), (810, 89102), (828, 87165), (894, 80730), (897, 80460), (1035, 69732), (1053, 68540), (1170, 61686), (1196, 60345), (1242, 58110), (1341, 53820), (1380, 52299), (1404, 51405), (1490, 48438), (1495, 48276), (1620, 44551), (1755, 41124), (1788, 40365), (1794, 40230), (1863, 38740), (1937, 37260), (2070, 34866), (2106, 34270), (2235, 32292), (2340, 30843), (2484, 29055), (2682, 26910), (2691, 26820), (2980, 24219), (2990, 24138), (3105, 23244), (3427, 21060), (3510, 20562), (3588, 20115), (3726, 19370), (3874, 18630), (4023, 17940), (4140, 17433), (4212, 17135), (4470, 16146), (4485, 16092), (5265, 13708), (5364, 13455), (5382, 13410), (5811, 12420), (5980, 12069), (6210, 11622), (6705, 10764), (6854, 10530), (7020, 10281), (7452, 9685), (7748, 9315), (8046, 8970), (8073, 8940)]