2540793480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{40177}}^1$

素因数の和:40239

約数の個数: 128

約数和(自身を含む): 8331310080

約数和(自身を除く): 5790516600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10540, 12648, 15810, 21080, 31620, 40177, 63240, 80354, 120531, 160708, 200885, 241062, 321416, 401770, 482124, 602655, 683009, 803540, 964248, 1205310, 1245487, 1366018, 1607080, 2049027, 2410620, 2490974, 2732036, 3415045, 3736461, 4098054, 4821240, 4981948, 5464072, 6227435, 6830090, 7472922, 8196108, 9963896, 10245135, 12454870, 13660180, 14945844, 16392216, 18682305, 20490270, 21173279, 24909740, 27320360, 29891688, 37364610, 40980540, 42346558, 49819480, 63519837, 74729220, 81961080, 84693116, 105866395, 127039674, 149458440, 169386232, 211732790, 254079348, 317599185, 423465580, 508158696, 635198370, 846931160, 1270396740, 2540793480]

約数ペア:

[(1, 2540793480), (2, 1270396740), (3, 846931160), (4, 635198370), (5, 508158696), (6, 423465580), (8, 317599185), (10, 254079348), (12, 211732790), (15, 169386232), (17, 149458440), (20, 127039674), (24, 105866395), (30, 84693116), (31, 81961080), (34, 74729220), (40, 63519837), (51, 49819480), (60, 42346558), (62, 40980540), (68, 37364610), (85, 29891688), (93, 27320360), (102, 24909740), (120, 21173279), (124, 20490270), (136, 18682305), (155, 16392216), (170, 14945844), (186, 13660180), (204, 12454870), (248, 10245135), (255, 9963896), (310, 8196108), (340, 7472922), (372, 6830090), (408, 6227435), (465, 5464072), (510, 4981948), (527, 4821240), (620, 4098054), (680, 3736461), (744, 3415045), (930, 2732036), (1020, 2490974), (1054, 2410620), (1240, 2049027), (1581, 1607080), (1860, 1366018), (2040, 1245487), (2108, 1205310), (2635, 964248), (3162, 803540), (3720, 683009), (4216, 602655), (5270, 482124), (6324, 401770), (7905, 321416), (10540, 241062), (12648, 200885), (15810, 160708), (21080, 120531), (31620, 80354), (40177, 63240)]