29640780

素因数分解:

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

素因数の和:320

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 69425460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 239, 260, 265, 318, 390, 468, 477, 478, 530, 585, 636, 689, 717, 780, 795, 954, 956, 1060, 1170, 1195, 1378, 1434, 1590, 1908, 2067, 2151, 2340, 2385, 2390, 2756, 2868, 3107, 3180, 3445, 3585, 4134, 4302, 4770, 4780, 6201, 6214, 6890, 7170, 8268, 8604, 9321, 9540, 10335, 10755, 12402, 12428, 12667, 13780, 14340, 15535, 18642, 20670, 21510, 24804, 25334, 27963, 31005, 31070, 37284, 38001, 41340, 43020, 46605, 50668, 55926, 62010, 62140, 63335, 76002, 93210, 111852, 114003, 124020, 126670, 139815, 152004, 164671, 186420, 190005, 228006, 253340, 279630, 329342, 380010, 456012, 494013, 559260, 570015, 658684, 760020, 823355, 988026, 1140030, 1482039, 1646710, 1976052, 2280060, 2470065, 2964078, 3293420, 4940130, 5928156, 7410195, 9880260, 14820390, 29640780]

約数ペア:

[(1, 29640780), (2, 14820390), (3, 9880260), (4, 7410195), (5, 5928156), (6, 4940130), (9, 3293420), (10, 2964078), (12, 2470065), (13, 2280060), (15, 1976052), (18, 1646710), (20, 1482039), (26, 1140030), (30, 988026), (36, 823355), (39, 760020), (45, 658684), (52, 570015), (53, 559260), (60, 494013), (65, 456012), (78, 380010), (90, 329342), (106, 279630), (117, 253340), (130, 228006), (156, 190005), (159, 186420), (180, 164671), (195, 152004), (212, 139815), (234, 126670), (239, 124020), (260, 114003), (265, 111852), (318, 93210), (390, 76002), (468, 63335), (477, 62140), (478, 62010), (530, 55926), (585, 50668), (636, 46605), (689, 43020), (717, 41340), (780, 38001), (795, 37284), (954, 31070), (956, 31005), (1060, 27963), (1170, 25334), (1195, 24804), (1378, 21510), (1434, 20670), (1590, 18642), (1908, 15535), (2067, 14340), (2151, 13780), (2340, 12667), (2385, 12428), (2390, 12402), (2756, 10755), (2868, 10335), (3107, 9540), (3180, 9321), (3445, 8604), (3585, 8268), (4134, 7170), (4302, 6890), (4770, 6214), (4780, 6201)]