2905770840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{47387}}^1$

素因数の和:47481

約数の個数: 128

約数和(自身を含む): 10099330560

約数和(自身を除く): 7193559720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 30660, 47387, 61320, 94774, 142161, 189548, 236935, 284322, 331709, 379096, 473870, 568644, 663418, 710805, 947740, 995127, 1137288, 1326836, 1421610, 1658545, 1895480, 1990254, 2653672, 2843220, 3317090, 3459251, 3980508, 4975635, 5686440, 6634180, 6918502, 7961016, 9951270, 10377753, 13268360, 13837004, 17296255, 19902540, 20755506, 24214757, 27674008, 34592510, 39805080, 41511012, 48429514, 51888765, 69185020, 72644271, 83022024, 96859028, 103777530, 121073785, 138370040, 145288542, 193718056, 207555060, 242147570, 290577084, 363221355, 415110120, 484295140, 581154168, 726442710, 968590280, 1452885420, 2905770840]

約数ペア:

[(1, 2905770840), (2, 1452885420), (3, 968590280), (4, 726442710), (5, 581154168), (6, 484295140), (7, 415110120), (8, 363221355), (10, 290577084), (12, 242147570), (14, 207555060), (15, 193718056), (20, 145288542), (21, 138370040), (24, 121073785), (28, 103777530), (30, 96859028), (35, 83022024), (40, 72644271), (42, 69185020), (56, 51888765), (60, 48429514), (70, 41511012), (73, 39805080), (84, 34592510), (105, 27674008), (120, 24214757), (140, 20755506), (146, 19902540), (168, 17296255), (210, 13837004), (219, 13268360), (280, 10377753), (292, 9951270), (365, 7961016), (420, 6918502), (438, 6634180), (511, 5686440), (584, 4975635), (730, 3980508), (840, 3459251), (876, 3317090), (1022, 2843220), (1095, 2653672), (1460, 1990254), (1533, 1895480), (1752, 1658545), (2044, 1421610), (2190, 1326836), (2555, 1137288), (2920, 995127), (3066, 947740), (4088, 710805), (4380, 663418), (5110, 568644), (6132, 473870), (7665, 379096), (8760, 331709), (10220, 284322), (12264, 236935), (15330, 189548), (20440, 142161), (30660, 94774), (47387, 61320)]