28942440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 62295960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 79, 86, 120, 129, 142, 158, 172, 213, 215, 237, 258, 284, 316, 344, 355, 395, 426, 430, 474, 516, 568, 632, 645, 710, 790, 852, 860, 948, 1032, 1065, 1185, 1290, 1420, 1580, 1704, 1720, 1896, 2130, 2370, 2580, 2840, 3053, 3160, 3397, 4260, 4740, 5160, 5609, 6106, 6794, 8520, 9159, 9480, 10191, 11218, 12212, 13588, 15265, 16827, 16985, 18318, 20382, 22436, 24424, 27176, 28045, 30530, 33654, 33970, 36636, 40764, 44872, 45795, 50955, 56090, 61060, 67308, 67940, 73272, 81528, 84135, 91590, 101910, 112180, 122120, 134616, 135880, 168270, 183180, 203820, 224360, 241187, 336540, 366360, 407640, 482374, 673080, 723561, 964748, 1205935, 1447122, 1929496, 2411870, 2894244, 3617805, 4823740, 5788488, 7235610, 9647480, 14471220, 28942440]

約数ペア:

[(1, 28942440), (2, 14471220), (3, 9647480), (4, 7235610), (5, 5788488), (6, 4823740), (8, 3617805), (10, 2894244), (12, 2411870), (15, 1929496), (20, 1447122), (24, 1205935), (30, 964748), (40, 723561), (43, 673080), (60, 482374), (71, 407640), (79, 366360), (86, 336540), (120, 241187), (129, 224360), (142, 203820), (158, 183180), (172, 168270), (213, 135880), (215, 134616), (237, 122120), (258, 112180), (284, 101910), (316, 91590), (344, 84135), (355, 81528), (395, 73272), (426, 67940), (430, 67308), (474, 61060), (516, 56090), (568, 50955), (632, 45795), (645, 44872), (710, 40764), (790, 36636), (852, 33970), (860, 33654), (948, 30530), (1032, 28045), (1065, 27176), (1185, 24424), (1290, 22436), (1420, 20382), (1580, 18318), (1704, 16985), (1720, 16827), (1896, 15265), (2130, 13588), (2370, 12212), (2580, 11218), (2840, 10191), (3053, 9480), (3160, 9159), (3397, 8520), (4260, 6794), (4740, 6106), (5160, 5609)]