1230615680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8861}}^1$

素因数の和:8918

約数の個数: 128

約数和(自身を含む): 3471068160

約数和(自身を除く): 2240452480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 8861, 9920, 13888, 17360, 17722, 19840, 27776, 34720, 35444, 44305, 62027, 69440, 70888, 88610, 124054, 138880, 141776, 177220, 248108, 274691, 283552, 310135, 354440, 496216, 549382, 567104, 620270, 708880, 992432, 1098764, 1134208, 1240540, 1373455, 1417760, 1922837, 1984864, 2197528, 2481080, 2746910, 2835520, 3845674, 3969728, 4395056, 4962160, 5493820, 5671040, 7691348, 7939456, 8790112, 9614185, 9924320, 10987640, 15382696, 17580224, 19228370, 19848640, 21975280, 30765392, 35160448, 38456740, 39697280, 43950560, 61530784, 76913480, 87901120, 123061568, 153826960, 175802240, 246123136, 307653920, 615307840, 1230615680]

約数ペア:

[(1, 1230615680), (2, 615307840), (4, 307653920), (5, 246123136), (7, 175802240), (8, 153826960), (10, 123061568), (14, 87901120), (16, 76913480), (20, 61530784), (28, 43950560), (31, 39697280), (32, 38456740), (35, 35160448), (40, 30765392), (56, 21975280), (62, 19848640), (64, 19228370), (70, 17580224), (80, 15382696), (112, 10987640), (124, 9924320), (128, 9614185), (140, 8790112), (155, 7939456), (160, 7691348), (217, 5671040), (224, 5493820), (248, 4962160), (280, 4395056), (310, 3969728), (320, 3845674), (434, 2835520), (448, 2746910), (496, 2481080), (560, 2197528), (620, 1984864), (640, 1922837), (868, 1417760), (896, 1373455), (992, 1240540), (1085, 1134208), (1120, 1098764), (1240, 992432), (1736, 708880), (1984, 620270), (2170, 567104), (2240, 549382), (2480, 496216), (3472, 354440), (3968, 310135), (4340, 283552), (4480, 274691), (4960, 248108), (6944, 177220), (8680, 141776), (8861, 138880), (9920, 124054), (13888, 88610), (17360, 70888), (17722, 69440), (19840, 62027), (27776, 44305), (34720, 35444)]