278322840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10889}}^1$

素因数の和:10977

約数の個数: 96

約数和(自身を含む): 917373600

約数和(自身を除く): 639050760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 10889, 12780, 21778, 25560, 32667, 43556, 54445, 65334, 87112, 98001, 108890, 130668, 163335, 196002, 217780, 261336, 326670, 392004, 435560, 490005, 653340, 773119, 784008, 980010, 1306680, 1546238, 1960020, 2319357, 3092476, 3865595, 3920040, 4638714, 6184952, 6958071, 7731190, 9277428, 11596785, 13916142, 15462380, 18554856, 23193570, 27832284, 30924760, 34790355, 46387140, 55664568, 69580710, 92774280, 139161420, 278322840]

約数ペア:

[(1, 278322840), (2, 139161420), (3, 92774280), (4, 69580710), (5, 55664568), (6, 46387140), (8, 34790355), (9, 30924760), (10, 27832284), (12, 23193570), (15, 18554856), (18, 15462380), (20, 13916142), (24, 11596785), (30, 9277428), (36, 7731190), (40, 6958071), (45, 6184952), (60, 4638714), (71, 3920040), (72, 3865595), (90, 3092476), (120, 2319357), (142, 1960020), (180, 1546238), (213, 1306680), (284, 980010), (355, 784008), (360, 773119), (426, 653340), (568, 490005), (639, 435560), (710, 392004), (852, 326670), (1065, 261336), (1278, 217780), (1420, 196002), (1704, 163335), (2130, 130668), (2556, 108890), (2840, 98001), (3195, 87112), (4260, 65334), (5112, 54445), (6390, 43556), (8520, 32667), (10889, 25560), (12780, 21778)]