844480780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1640

約数の個数: 144

約数和(自身を含む): 2224121760

約数和(自身を除く): 1379640980

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 121, 130, 143, 170, 187, 220, 221, 242, 260, 286, 340, 374, 442, 484, 572, 605, 715, 748, 884, 935, 1105, 1210, 1430, 1573, 1579, 1870, 2057, 2210, 2420, 2431, 2860, 3146, 3158, 3740, 4114, 4420, 4862, 6292, 6316, 7865, 7895, 8228, 9724, 10285, 12155, 15730, 15790, 17369, 20527, 20570, 24310, 26741, 26843, 31460, 31580, 34738, 41054, 41140, 48620, 53482, 53686, 69476, 82108, 86845, 102635, 106964, 107372, 133705, 134215, 173690, 191059, 205270, 225797, 267410, 268430, 295273, 347380, 348959, 382118, 410540, 451594, 534820, 536860, 590546, 697918, 764236, 903188, 955295, 1128985, 1181092, 1395836, 1476365, 1744795, 1910590, 2257970, 2483767, 2952730, 3248003, 3489590, 3821180, 3838549, 4515940, 4967534, 5905460, 6496006, 6979180, 7677098, 9935068, 12418835, 12992012, 15354196, 16240015, 19192745, 24837670, 32480030, 38385490, 42224039, 49675340, 64960060, 76770980, 84448078, 168896156, 211120195, 422240390, 844480780]

約数ペア:

[(1, 844480780), (2, 422240390), (4, 211120195), (5, 168896156), (10, 84448078), (11, 76770980), (13, 64960060), (17, 49675340), (20, 42224039), (22, 38385490), (26, 32480030), (34, 24837670), (44, 19192745), (52, 16240015), (55, 15354196), (65, 12992012), (68, 12418835), (85, 9935068), (110, 7677098), (121, 6979180), (130, 6496006), (143, 5905460), (170, 4967534), (187, 4515940), (220, 3838549), (221, 3821180), (242, 3489590), (260, 3248003), (286, 2952730), (340, 2483767), (374, 2257970), (442, 1910590), (484, 1744795), (572, 1476365), (605, 1395836), (715, 1181092), (748, 1128985), (884, 955295), (935, 903188), (1105, 764236), (1210, 697918), (1430, 590546), (1573, 536860), (1579, 534820), (1870, 451594), (2057, 410540), (2210, 382118), (2420, 348959), (2431, 347380), (2860, 295273), (3146, 268430), (3158, 267410), (3740, 225797), (4114, 205270), (4420, 191059), (4862, 173690), (6292, 134215), (6316, 133705), (7865, 107372), (7895, 106964), (8228, 102635), (9724, 86845), (10285, 82108), (12155, 69476), (15730, 53686), (15790, 53482), (17369, 48620), (20527, 41140), (20570, 41054), (24310, 34738), (26741, 31580), (26843, 31460)]