28901340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 72705060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 179, 180, 195, 207, 230, 234, 260, 270, 276, 299, 345, 351, 358, 390, 414, 460, 468, 537, 540, 585, 598, 621, 690, 702, 716, 780, 828, 895, 897, 1035, 1074, 1170, 1196, 1242, 1380, 1404, 1495, 1611, 1755, 1790, 1794, 2070, 2148, 2327, 2340, 2484, 2685, 2691, 2990, 3105, 3222, 3510, 3580, 3588, 4117, 4140, 4485, 4654, 4833, 5370, 5382, 5980, 6210, 6444, 6981, 7020, 8055, 8073, 8234, 8970, 9308, 9666, 10740, 10764, 11635, 12351, 12420, 13455, 13962, 16110, 16146, 16468, 17940, 19332, 20585, 20943, 23270, 24165, 24702, 26910, 27924, 32220, 32292, 34905, 37053, 40365, 41170, 41886, 46540, 48330, 49404, 53521, 53820, 61755, 62829, 69810, 74106, 80730, 82340, 83772, 96660, 104715, 107042, 111159, 123510, 125658, 139620, 148212, 160563, 161460, 185265, 209430, 214084, 222318, 247020, 251316, 267605, 314145, 321126, 370530, 418860, 444636, 481689, 535210, 555795, 628290, 642252, 741060, 802815, 963378, 1070420, 1111590, 1256580, 1445067, 1605630, 1926756, 2223180, 2408445, 2890134, 3211260, 4816890, 5780268, 7225335, 9633780, 14450670, 28901340]

約数ペア:

[(1, 28901340), (2, 14450670), (3, 9633780), (4, 7225335), (5, 5780268), (6, 4816890), (9, 3211260), (10, 2890134), (12, 2408445), (13, 2223180), (15, 1926756), (18, 1605630), (20, 1445067), (23, 1256580), (26, 1111590), (27, 1070420), (30, 963378), (36, 802815), (39, 741060), (45, 642252), (46, 628290), (52, 555795), (54, 535210), (60, 481689), (65, 444636), (69, 418860), (78, 370530), (90, 321126), (92, 314145), (108, 267605), (115, 251316), (117, 247020), (130, 222318), (135, 214084), (138, 209430), (156, 185265), (179, 161460), (180, 160563), (195, 148212), (207, 139620), (230, 125658), (234, 123510), (260, 111159), (270, 107042), (276, 104715), (299, 96660), (345, 83772), (351, 82340), (358, 80730), (390, 74106), (414, 69810), (460, 62829), (468, 61755), (537, 53820), (540, 53521), (585, 49404), (598, 48330), (621, 46540), (690, 41886), (702, 41170), (716, 40365), (780, 37053), (828, 34905), (895, 32292), (897, 32220), (1035, 27924), (1074, 26910), (1170, 24702), (1196, 24165), (1242, 23270), (1380, 20943), (1404, 20585), (1495, 19332), (1611, 17940), (1755, 16468), (1790, 16146), (1794, 16110), (2070, 13962), (2148, 13455), (2327, 12420), (2340, 12351), (2484, 11635), (2685, 10764), (2691, 10740), (2990, 9666), (3105, 9308), (3222, 8970), (3510, 8234), (3580, 8073), (3588, 8055), (4117, 7020), (4140, 6981), (4485, 6444), (4654, 6210), (4833, 5980), (5370, 5382)]