10720221720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{17137}}^1$

素因数の和:17565

約数の個数: 128

約数和(自身を含む): 34722959040

約数和(自身を除く): 24002737320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 401, 520, 780, 802, 1203, 1560, 1604, 2005, 2406, 3208, 4010, 4812, 5213, 6015, 8020, 9624, 10426, 12030, 15639, 16040, 17137, 20852, 24060, 26065, 31278, 34274, 41704, 48120, 51411, 52130, 62556, 68548, 78195, 85685, 102822, 104260, 125112, 137096, 156390, 171370, 205644, 208520, 222781, 257055, 312780, 342740, 411288, 445562, 514110, 625560, 668343, 685480, 891124, 1028220, 1113905, 1336686, 1782248, 2056440, 2227810, 2673372, 3341715, 4455620, 5346744, 6683430, 6871937, 8911240, 13366860, 13743874, 20615811, 26733720, 27487748, 34359685, 41231622, 54975496, 68719370, 82463244, 89335181, 103079055, 137438740, 164926488, 178670362, 206158110, 268005543, 274877480, 357340724, 412316220, 446675905, 536011086, 714681448, 824632440, 893351810, 1072022172, 1340027715, 1786703620, 2144044344, 2680055430, 3573407240, 5360110860, 10720221720]

約数ペア:

[(1, 10720221720), (2, 5360110860), (3, 3573407240), (4, 2680055430), (5, 2144044344), (6, 1786703620), (8, 1340027715), (10, 1072022172), (12, 893351810), (13, 824632440), (15, 714681448), (20, 536011086), (24, 446675905), (26, 412316220), (30, 357340724), (39, 274877480), (40, 268005543), (52, 206158110), (60, 178670362), (65, 164926488), (78, 137438740), (104, 103079055), (120, 89335181), (130, 82463244), (156, 68719370), (195, 54975496), (260, 41231622), (312, 34359685), (390, 27487748), (401, 26733720), (520, 20615811), (780, 13743874), (802, 13366860), (1203, 8911240), (1560, 6871937), (1604, 6683430), (2005, 5346744), (2406, 4455620), (3208, 3341715), (4010, 2673372), (4812, 2227810), (5213, 2056440), (6015, 1782248), (8020, 1336686), (9624, 1113905), (10426, 1028220), (12030, 891124), (15639, 685480), (16040, 668343), (17137, 625560), (20852, 514110), (24060, 445562), (26065, 411288), (31278, 342740), (34274, 312780), (41704, 257055), (48120, 222781), (51411, 208520), (52130, 205644), (62556, 171370), (68548, 156390), (78195, 137096), (85685, 125112), (102822, 104260)]