28013310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 56174850

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 90, 115, 117, 130, 135, 138, 195, 207, 230, 234, 270, 299, 345, 347, 351, 390, 414, 585, 598, 621, 690, 694, 702, 897, 1035, 1041, 1170, 1242, 1495, 1735, 1755, 1794, 2070, 2082, 2691, 2990, 3105, 3123, 3470, 3510, 4485, 4511, 5205, 5382, 6210, 6246, 7981, 8073, 8970, 9022, 9369, 10410, 13455, 13533, 15615, 15962, 16146, 18738, 22555, 23943, 26910, 27066, 31230, 39905, 40365, 40599, 45110, 46845, 47886, 67665, 71829, 79810, 80730, 81198, 93690, 103753, 119715, 121797, 135330, 143658, 202995, 207506, 215487, 239430, 243594, 311259, 359145, 405990, 430974, 518765, 608985, 622518, 718290, 933777, 1037530, 1077435, 1217970, 1556295, 1867554, 2154870, 2801331, 3112590, 4668885, 5602662, 9337770, 14006655, 28013310]

約数ペア:

[(1, 28013310), (2, 14006655), (3, 9337770), (5, 5602662), (6, 4668885), (9, 3112590), (10, 2801331), (13, 2154870), (15, 1867554), (18, 1556295), (23, 1217970), (26, 1077435), (27, 1037530), (30, 933777), (39, 718290), (45, 622518), (46, 608985), (54, 518765), (65, 430974), (69, 405990), (78, 359145), (90, 311259), (115, 243594), (117, 239430), (130, 215487), (135, 207506), (138, 202995), (195, 143658), (207, 135330), (230, 121797), (234, 119715), (270, 103753), (299, 93690), (345, 81198), (347, 80730), (351, 79810), (390, 71829), (414, 67665), (585, 47886), (598, 46845), (621, 45110), (690, 40599), (694, 40365), (702, 39905), (897, 31230), (1035, 27066), (1041, 26910), (1170, 23943), (1242, 22555), (1495, 18738), (1735, 16146), (1755, 15962), (1794, 15615), (2070, 13533), (2082, 13455), (2691, 10410), (2990, 9369), (3105, 9022), (3123, 8970), (3470, 8073), (3510, 7981), (4485, 6246), (4511, 6210), (5205, 5382)]