1808777640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1489}}^1$

素因数の和:1747

約数の個数: 128

約数和(自身を含む): 5561395200

約数和(自身を除く): 3752617560

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, 1146, 1272, 1489, 1528, 1590, 1910, 2120, 2292, 2865, 2978, 3180, 3820, 4467, 4584, 5730, 5956, 6360, 7445, 7640, 8934, 10123, 11460, 11912, 14890, 17868, 20246, 22335, 22920, 29780, 30369, 35736, 40492, 44670, 50615, 59560, 60738, 78917, 80984, 89340, 101230, 121476, 151845, 157834, 178680, 202460, 236751, 242952, 284399, 303690, 315668, 394585, 404920, 473502, 568798, 607380, 631336, 789170, 853197, 947004, 1137596, 1183755, 1214760, 1421995, 1578340, 1706394, 1894008, 2275192, 2367510, 2843990, 3156680, 3412788, 4265985, 4735020, 5687980, 6825576, 8531970, 9470040, 11375960, 15073147, 17063940, 30146294, 34127880, 45219441, 60292588, 75365735, 90438882, 120585176, 150731470, 180877764, 226097205, 301462940, 361755528, 452194410, 602925880, 904388820, 1808777640]

約数ペア:

[(1, 1808777640), (2, 904388820), (3, 602925880), (4, 452194410), (5, 361755528), (6, 301462940), (8, 226097205), (10, 180877764), (12, 150731470), (15, 120585176), (20, 90438882), (24, 75365735), (30, 60292588), (40, 45219441), (53, 34127880), (60, 30146294), (106, 17063940), (120, 15073147), (159, 11375960), (191, 9470040), (212, 8531970), (265, 6825576), (318, 5687980), (382, 4735020), (424, 4265985), (530, 3412788), (573, 3156680), (636, 2843990), (764, 2367510), (795, 2275192), (955, 1894008), (1060, 1706394), (1146, 1578340), (1272, 1421995), (1489, 1214760), (1528, 1183755), (1590, 1137596), (1910, 947004), (2120, 853197), (2292, 789170), (2865, 631336), (2978, 607380), (3180, 568798), (3820, 473502), (4467, 404920), (4584, 394585), (5730, 315668), (5956, 303690), (6360, 284399), (7445, 242952), (7640, 236751), (8934, 202460), (10123, 178680), (11460, 157834), (11912, 151845), (14890, 121476), (17868, 101230), (20246, 89340), (22335, 80984), (22920, 78917), (29780, 60738), (30369, 59560), (35736, 50615), (40492, 44670)]