804940240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2053}}^1$

素因数の和:2121

約数の個数: 120

約数和(自身を含む): 2097421560

約数和(自身を除く): 1292481320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 169, 208, 232, 260, 290, 338, 377, 464, 520, 580, 676, 754, 845, 1040, 1160, 1352, 1508, 1690, 1885, 2053, 2320, 2704, 3016, 3380, 3770, 4106, 4901, 6032, 6760, 7540, 8212, 9802, 10265, 13520, 15080, 16424, 19604, 20530, 24505, 26689, 30160, 32848, 39208, 41060, 49010, 53378, 59537, 78416, 82120, 98020, 106756, 119074, 133445, 164240, 196040, 213512, 238148, 266890, 297685, 346957, 392080, 427024, 476296, 533780, 595370, 693914, 773981, 952592, 1067560, 1190740, 1387828, 1547962, 1734785, 2135120, 2381480, 2775656, 3095924, 3469570, 3869905, 4762960, 5551312, 6191848, 6939140, 7739810, 10061753, 12383696, 13878280, 15479620, 20123506, 27756560, 30959240, 40247012, 50308765, 61918480, 80494024, 100617530, 160988048, 201235060, 402470120, 804940240]

約数ペア:

[(1, 804940240), (2, 402470120), (4, 201235060), (5, 160988048), (8, 100617530), (10, 80494024), (13, 61918480), (16, 50308765), (20, 40247012), (26, 30959240), (29, 27756560), (40, 20123506), (52, 15479620), (58, 13878280), (65, 12383696), (80, 10061753), (104, 7739810), (116, 6939140), (130, 6191848), (145, 5551312), (169, 4762960), (208, 3869905), (232, 3469570), (260, 3095924), (290, 2775656), (338, 2381480), (377, 2135120), (464, 1734785), (520, 1547962), (580, 1387828), (676, 1190740), (754, 1067560), (845, 952592), (1040, 773981), (1160, 693914), (1352, 595370), (1508, 533780), (1690, 476296), (1885, 427024), (2053, 392080), (2320, 346957), (2704, 297685), (3016, 266890), (3380, 238148), (3770, 213512), (4106, 196040), (4901, 164240), (6032, 133445), (6760, 119074), (7540, 106756), (8212, 98020), (9802, 82120), (10265, 78416), (13520, 59537), (15080, 53378), (16424, 49010), (19604, 41060), (20530, 39208), (24505, 32848), (26689, 30160)]