261389640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 811347840

約数和(自身を除く): 549958200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 73, 106, 120, 146, 159, 212, 219, 265, 292, 318, 365, 424, 438, 530, 563, 584, 636, 730, 795, 876, 1060, 1095, 1126, 1272, 1460, 1590, 1689, 1752, 2120, 2190, 2252, 2815, 2920, 3180, 3378, 3869, 4380, 4504, 5630, 6360, 6756, 7738, 8445, 8760, 11260, 11607, 13512, 15476, 16890, 19345, 22520, 23214, 29839, 30952, 33780, 38690, 41099, 46428, 58035, 59678, 67560, 77380, 82198, 89517, 92856, 116070, 119356, 123297, 149195, 154760, 164396, 179034, 205495, 232140, 238712, 246594, 298390, 328792, 358068, 410990, 447585, 464280, 493188, 596780, 616485, 716136, 821980, 895170, 986376, 1193560, 1232970, 1643960, 1790340, 2178247, 2465940, 3580680, 4356494, 4931880, 6534741, 8712988, 10891235, 13069482, 17425976, 21782470, 26138964, 32673705, 43564940, 52277928, 65347410, 87129880, 130694820, 261389640]

約数ペア:

[(1, 261389640), (2, 130694820), (3, 87129880), (4, 65347410), (5, 52277928), (6, 43564940), (8, 32673705), (10, 26138964), (12, 21782470), (15, 17425976), (20, 13069482), (24, 10891235), (30, 8712988), (40, 6534741), (53, 4931880), (60, 4356494), (73, 3580680), (106, 2465940), (120, 2178247), (146, 1790340), (159, 1643960), (212, 1232970), (219, 1193560), (265, 986376), (292, 895170), (318, 821980), (365, 716136), (424, 616485), (438, 596780), (530, 493188), (563, 464280), (584, 447585), (636, 410990), (730, 358068), (795, 328792), (876, 298390), (1060, 246594), (1095, 238712), (1126, 232140), (1272, 205495), (1460, 179034), (1590, 164396), (1689, 154760), (1752, 149195), (2120, 123297), (2190, 119356), (2252, 116070), (2815, 92856), (2920, 89517), (3180, 82198), (3378, 77380), (3869, 67560), (4380, 59678), (4504, 58035), (5630, 46428), (6360, 41099), (6756, 38690), (7738, 33780), (8445, 30952), (8760, 29839), (11260, 23214), (11607, 22520), (13512, 19345), (15476, 16890)]