1291289880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1063}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 3971358720

約数和(自身を除く): 2680068840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 191, 212, 265, 318, 382, 424, 530, 573, 636, 764, 795, 955, 1060, 1063, 1146, 1272, 1528, 1590, 1910, 2120, 2126, 2292, 2865, 3180, 3189, 3820, 4252, 4584, 5315, 5730, 6360, 6378, 7640, 8504, 10123, 10630, 11460, 12756, 15945, 20246, 21260, 22920, 25512, 30369, 31890, 40492, 42520, 50615, 56339, 60738, 63780, 80984, 101230, 112678, 121476, 127560, 151845, 169017, 202460, 203033, 225356, 242952, 281695, 303690, 338034, 404920, 406066, 450712, 563390, 607380, 609099, 676068, 812132, 845085, 1015165, 1126780, 1214760, 1218198, 1352136, 1624264, 1690170, 2030330, 2253560, 2436396, 3045495, 3380340, 4060660, 4872792, 6090990, 6760680, 8121320, 10760749, 12181980, 21521498, 24363960, 32282247, 43042996, 53803745, 64564494, 86085992, 107607490, 129128988, 161411235, 215214980, 258257976, 322822470, 430429960, 645644940, 1291289880]

約数ペア:

[(1, 1291289880), (2, 645644940), (3, 430429960), (4, 322822470), (5, 258257976), (6, 215214980), (8, 161411235), (10, 129128988), (12, 107607490), (15, 86085992), (20, 64564494), (24, 53803745), (30, 43042996), (40, 32282247), (53, 24363960), (60, 21521498), (106, 12181980), (120, 10760749), (159, 8121320), (191, 6760680), (212, 6090990), (265, 4872792), (318, 4060660), (382, 3380340), (424, 3045495), (530, 2436396), (573, 2253560), (636, 2030330), (764, 1690170), (795, 1624264), (955, 1352136), (1060, 1218198), (1063, 1214760), (1146, 1126780), (1272, 1015165), (1528, 845085), (1590, 812132), (1910, 676068), (2120, 609099), (2126, 607380), (2292, 563390), (2865, 450712), (3180, 406066), (3189, 404920), (3820, 338034), (4252, 303690), (4584, 281695), (5315, 242952), (5730, 225356), (6360, 203033), (6378, 202460), (7640, 169017), (8504, 151845), (10123, 127560), (10630, 121476), (11460, 112678), (12756, 101230), (15945, 80984), (20246, 63780), (21260, 60738), (22920, 56339), (25512, 50615), (30369, 42520), (31890, 40492)]