128655540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 448232400

約数和(自身を除く): 319576860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 78, 81, 82, 90, 108, 117, 123, 130, 135, 149, 156, 162, 164, 180, 195, 205, 234, 246, 260, 270, 298, 324, 351, 369, 390, 405, 410, 447, 468, 492, 533, 540, 585, 596, 615, 702, 738, 745, 780, 810, 820, 894, 1053, 1066, 1107, 1170, 1230, 1341, 1404, 1476, 1490, 1599, 1620, 1755, 1788, 1845, 1937, 2106, 2132, 2214, 2235, 2340, 2460, 2665, 2682, 2980, 3198, 3321, 3510, 3690, 3874, 4023, 4212, 4428, 4470, 4797, 5265, 5330, 5364, 5535, 5811, 6109, 6396, 6642, 6705, 7020, 7380, 7748, 7995, 8046, 8940, 9594, 9685, 10530, 10660, 11070, 11622, 12069, 12218, 13284, 13410, 14391, 15990, 16092, 16605, 17433, 18327, 19188, 19370, 20115, 21060, 22140, 23244, 23985, 24138, 24436, 26820, 28782, 29055, 30545, 31980, 33210, 34866, 36654, 38740, 40230, 43173, 47970, 48276, 52299, 54981, 57564, 58110, 60345, 61090, 66420, 69732, 71955, 73308, 79417, 80460, 86346, 87165, 91635, 95940, 104598, 109962, 116220, 120690, 122180, 143910, 156897, 158834, 164943, 172692, 174330, 183270, 209196, 215865, 219924, 238251, 241380, 261495, 274905, 287820, 313794, 317668, 329886, 348660, 366540, 397085, 431730, 476502, 494829, 522990, 549810, 627588, 659772, 714753, 784485, 794170, 824715, 863460, 953004, 989658, 1045980, 1099620, 1191255, 1429506, 1568970, 1588340, 1649430, 1979316, 2144259, 2382510, 2474145, 2859012, 3137940, 3298860, 3573765, 4288518, 4765020, 4948290, 6432777, 7147530, 8577036, 9896580, 10721295, 12865554, 14295060, 21442590, 25731108, 32163885, 42885180, 64327770, 128655540]

約数ペア:

[(1, 128655540), (2, 64327770), (3, 42885180), (4, 32163885), (5, 25731108), (6, 21442590), (9, 14295060), (10, 12865554), (12, 10721295), (13, 9896580), (15, 8577036), (18, 7147530), (20, 6432777), (26, 4948290), (27, 4765020), (30, 4288518), (36, 3573765), (39, 3298860), (41, 3137940), (45, 2859012), (52, 2474145), (54, 2382510), (60, 2144259), (65, 1979316), (78, 1649430), (81, 1588340), (82, 1568970), (90, 1429506), (108, 1191255), (117, 1099620), (123, 1045980), (130, 989658), (135, 953004), (149, 863460), (156, 824715), (162, 794170), (164, 784485), (180, 714753), (195, 659772), (205, 627588), (234, 549810), (246, 522990), (260, 494829), (270, 476502), (298, 431730), (324, 397085), (351, 366540), (369, 348660), (390, 329886), (405, 317668), (410, 313794), (447, 287820), (468, 274905), (492, 261495), (533, 241380), (540, 238251), (585, 219924), (596, 215865), (615, 209196), (702, 183270), (738, 174330), (745, 172692), (780, 164943), (810, 158834), (820, 156897), (894, 143910), (1053, 122180), (1066, 120690), (1107, 116220), (1170, 109962), (1230, 104598), (1341, 95940), (1404, 91635), (1476, 87165), (1490, 86346), (1599, 80460), (1620, 79417), (1755, 73308), (1788, 71955), (1845, 69732), (1937, 66420), (2106, 61090), (2132, 60345), (2214, 58110), (2235, 57564), (2340, 54981), (2460, 52299), (2665, 48276), (2682, 47970), (2980, 43173), (3198, 40230), (3321, 38740), (3510, 36654), (3690, 34866), (3874, 33210), (4023, 31980), (4212, 30545), (4428, 29055), (4470, 28782), (4797, 26820), (5265, 24436), (5330, 24138), (5364, 23985), (5535, 23244), (5811, 22140), (6109, 21060), (6396, 20115), (6642, 19370), (6705, 19188), (7020, 18327), (7380, 17433), (7748, 16605), (7995, 16092), (8046, 15990), (8940, 14391), (9594, 13410), (9685, 13284), (10530, 12218), (10660, 12069), (11070, 11622)]