17781660

素因数分解:

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

素因数の和:197

約数の個数: 192

約数和(自身を含む): 63504000

約数和(自身を除く): 45722340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 149, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 298, 306, 340, 351, 390, 442, 447, 459, 468, 510, 540, 585, 596, 612, 663, 702, 745, 765, 780, 884, 894, 918, 1020, 1105, 1170, 1326, 1341, 1404, 1490, 1530, 1755, 1788, 1836, 1937, 1989, 2210, 2235, 2295, 2340, 2533, 2652, 2682, 2980, 3060, 3315, 3510, 3874, 3978, 4023, 4420, 4470, 4590, 5066, 5364, 5811, 5967, 6630, 6705, 7020, 7599, 7748, 7956, 8046, 8940, 9180, 9685, 9945, 10132, 11622, 11934, 12665, 13260, 13410, 15198, 16092, 17433, 19370, 19890, 20115, 22797, 23244, 23868, 25330, 26820, 29055, 29835, 30396, 32929, 34866, 37995, 38740, 39780, 40230, 45594, 50660, 52299, 58110, 59670, 65858, 68391, 69732, 75990, 80460, 87165, 91188, 98787, 104598, 113985, 116220, 119340, 131716, 136782, 151980, 164645, 174330, 197574, 209196, 227970, 261495, 273564, 296361, 329290, 341955, 348660, 395148, 455940, 493935, 522990, 592722, 658580, 683910, 889083, 987870, 1045980, 1185444, 1367820, 1481805, 1778166, 1975740, 2963610, 3556332, 4445415, 5927220, 8890830, 17781660]

約数ペア:

[(1, 17781660), (2, 8890830), (3, 5927220), (4, 4445415), (5, 3556332), (6, 2963610), (9, 1975740), (10, 1778166), (12, 1481805), (13, 1367820), (15, 1185444), (17, 1045980), (18, 987870), (20, 889083), (26, 683910), (27, 658580), (30, 592722), (34, 522990), (36, 493935), (39, 455940), (45, 395148), (51, 348660), (52, 341955), (54, 329290), (60, 296361), (65, 273564), (68, 261495), (78, 227970), (85, 209196), (90, 197574), (102, 174330), (108, 164645), (117, 151980), (130, 136782), (135, 131716), (149, 119340), (153, 116220), (156, 113985), (170, 104598), (180, 98787), (195, 91188), (204, 87165), (221, 80460), (234, 75990), (255, 69732), (260, 68391), (270, 65858), (298, 59670), (306, 58110), (340, 52299), (351, 50660), (390, 45594), (442, 40230), (447, 39780), (459, 38740), (468, 37995), (510, 34866), (540, 32929), (585, 30396), (596, 29835), (612, 29055), (663, 26820), (702, 25330), (745, 23868), (765, 23244), (780, 22797), (884, 20115), (894, 19890), (918, 19370), (1020, 17433), (1105, 16092), (1170, 15198), (1326, 13410), (1341, 13260), (1404, 12665), (1490, 11934), (1530, 11622), (1755, 10132), (1788, 9945), (1836, 9685), (1937, 9180), (1989, 8940), (2210, 8046), (2235, 7956), (2295, 7748), (2340, 7599), (2533, 7020), (2652, 6705), (2682, 6630), (2980, 5967), (3060, 5811), (3315, 5364), (3510, 5066), (3874, 4590), (3978, 4470), (4023, 4420)]