28483260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 88020072

約数和(自身を除く): 59536812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 169, 195, 212, 260, 265, 318, 338, 390, 507, 530, 636, 676, 689, 780, 795, 845, 1014, 1060, 1378, 1590, 1690, 2028, 2067, 2535, 2756, 2809, 3180, 3380, 3445, 4134, 5070, 5618, 6890, 8268, 8427, 8957, 10140, 10335, 11236, 13780, 14045, 16854, 17914, 20670, 26871, 28090, 33708, 35828, 36517, 41340, 42135, 44785, 53742, 56180, 73034, 84270, 89570, 107484, 109551, 134355, 146068, 168540, 179140, 182585, 219102, 268710, 365170, 438204, 474721, 537420, 547755, 730340, 949442, 1095510, 1424163, 1898884, 2191020, 2373605, 2848326, 4747210, 5696652, 7120815, 9494420, 14241630, 28483260]

約数ペア:

[(1, 28483260), (2, 14241630), (3, 9494420), (4, 7120815), (5, 5696652), (6, 4747210), (10, 2848326), (12, 2373605), (13, 2191020), (15, 1898884), (20, 1424163), (26, 1095510), (30, 949442), (39, 730340), (52, 547755), (53, 537420), (60, 474721), (65, 438204), (78, 365170), (106, 268710), (130, 219102), (156, 182585), (159, 179140), (169, 168540), (195, 146068), (212, 134355), (260, 109551), (265, 107484), (318, 89570), (338, 84270), (390, 73034), (507, 56180), (530, 53742), (636, 44785), (676, 42135), (689, 41340), (780, 36517), (795, 35828), (845, 33708), (1014, 28090), (1060, 26871), (1378, 20670), (1590, 17914), (1690, 16854), (2028, 14045), (2067, 13780), (2535, 11236), (2756, 10335), (2809, 10140), (3180, 8957), (3380, 8427), (3445, 8268), (4134, 6890), (5070, 5618)]