19760520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45557880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 239, 260, 265, 312, 318, 390, 424, 478, 520, 530, 636, 689, 717, 780, 795, 956, 1060, 1195, 1272, 1378, 1434, 1560, 1590, 1912, 2067, 2120, 2390, 2756, 2868, 3107, 3180, 3445, 3585, 4134, 4780, 5512, 5736, 6214, 6360, 6890, 7170, 8268, 9321, 9560, 10335, 12428, 12667, 13780, 14340, 15535, 16536, 18642, 20670, 24856, 25334, 27560, 28680, 31070, 37284, 38001, 41340, 46605, 50668, 62140, 63335, 74568, 76002, 82680, 93210, 101336, 124280, 126670, 152004, 164671, 186420, 190005, 253340, 304008, 329342, 372840, 380010, 494013, 506680, 658684, 760020, 823355, 988026, 1317368, 1520040, 1646710, 1976052, 2470065, 3293420, 3952104, 4940130, 6586840, 9880260, 19760520]

約数ペア:

[(1, 19760520), (2, 9880260), (3, 6586840), (4, 4940130), (5, 3952104), (6, 3293420), (8, 2470065), (10, 1976052), (12, 1646710), (13, 1520040), (15, 1317368), (20, 988026), (24, 823355), (26, 760020), (30, 658684), (39, 506680), (40, 494013), (52, 380010), (53, 372840), (60, 329342), (65, 304008), (78, 253340), (104, 190005), (106, 186420), (120, 164671), (130, 152004), (156, 126670), (159, 124280), (195, 101336), (212, 93210), (239, 82680), (260, 76002), (265, 74568), (312, 63335), (318, 62140), (390, 50668), (424, 46605), (478, 41340), (520, 38001), (530, 37284), (636, 31070), (689, 28680), (717, 27560), (780, 25334), (795, 24856), (956, 20670), (1060, 18642), (1195, 16536), (1272, 15535), (1378, 14340), (1434, 13780), (1560, 12667), (1590, 12428), (1912, 10335), (2067, 9560), (2120, 9321), (2390, 8268), (2756, 7170), (2868, 6890), (3107, 6360), (3180, 6214), (3445, 5736), (3585, 5512), (4134, 4780)]