61920120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 137145480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 127, 136, 170, 204, 239, 254, 255, 340, 381, 408, 478, 508, 510, 635, 680, 717, 762, 956, 1016, 1020, 1195, 1270, 1434, 1524, 1905, 1912, 2040, 2159, 2390, 2540, 2868, 3048, 3585, 3810, 4063, 4318, 4780, 5080, 5736, 6477, 7170, 7620, 8126, 8636, 9560, 10795, 12189, 12954, 14340, 15240, 16252, 17272, 20315, 21590, 24378, 25908, 28680, 30353, 32385, 32504, 40630, 43180, 48756, 51816, 60706, 60945, 64770, 81260, 86360, 91059, 97512, 121412, 121890, 129540, 151765, 162520, 182118, 242824, 243780, 259080, 303530, 364236, 455295, 487560, 516001, 607060, 728472, 910590, 1032002, 1214120, 1548003, 1821180, 2064004, 2580005, 3096006, 3642360, 4128008, 5160010, 6192012, 7740015, 10320020, 12384024, 15480030, 20640040, 30960060, 61920120]

約数ペア:

[(1, 61920120), (2, 30960060), (3, 20640040), (4, 15480030), (5, 12384024), (6, 10320020), (8, 7740015), (10, 6192012), (12, 5160010), (15, 4128008), (17, 3642360), (20, 3096006), (24, 2580005), (30, 2064004), (34, 1821180), (40, 1548003), (51, 1214120), (60, 1032002), (68, 910590), (85, 728472), (102, 607060), (120, 516001), (127, 487560), (136, 455295), (170, 364236), (204, 303530), (239, 259080), (254, 243780), (255, 242824), (340, 182118), (381, 162520), (408, 151765), (478, 129540), (508, 121890), (510, 121412), (635, 97512), (680, 91059), (717, 86360), (762, 81260), (956, 64770), (1016, 60945), (1020, 60706), (1195, 51816), (1270, 48756), (1434, 43180), (1524, 40630), (1905, 32504), (1912, 32385), (2040, 30353), (2159, 28680), (2390, 25908), (2540, 24378), (2868, 21590), (3048, 20315), (3585, 17272), (3810, 16252), (4063, 15240), (4318, 14340), (4780, 12954), (5080, 12189), (5736, 10795), (6477, 9560), (7170, 8636), (7620, 8126)]