15631490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 36443520

約数和(自身を除く): 20812030

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 49, 70, 73, 95, 98, 115, 133, 146, 161, 190, 230, 245, 266, 322, 365, 437, 490, 511, 665, 730, 805, 874, 931, 1022, 1127, 1330, 1387, 1610, 1679, 1862, 2185, 2254, 2555, 2774, 3059, 3358, 3577, 4370, 4655, 5110, 5635, 6118, 6935, 7154, 8395, 9310, 9709, 11270, 11753, 13870, 15295, 16790, 17885, 19418, 21413, 23506, 30590, 31901, 35770, 42826, 48545, 58765, 63802, 67963, 82271, 97090, 107065, 117530, 135926, 159505, 164542, 214130, 223307, 319010, 339815, 411355, 446614, 679630, 822710, 1116535, 1563149, 2233070, 3126298, 7815745, 15631490]

約数ペア:

[(1, 15631490), (2, 7815745), (5, 3126298), (7, 2233070), (10, 1563149), (14, 1116535), (19, 822710), (23, 679630), (35, 446614), (38, 411355), (46, 339815), (49, 319010), (70, 223307), (73, 214130), (95, 164542), (98, 159505), (115, 135926), (133, 117530), (146, 107065), (161, 97090), (190, 82271), (230, 67963), (245, 63802), (266, 58765), (322, 48545), (365, 42826), (437, 35770), (490, 31901), (511, 30590), (665, 23506), (730, 21413), (805, 19418), (874, 17885), (931, 16790), (1022, 15295), (1127, 13870), (1330, 11753), (1387, 11270), (1610, 9709), (1679, 9310), (1862, 8395), (2185, 7154), (2254, 6935), (2555, 6118), (2774, 5635), (3059, 5110), (3358, 4655), (3577, 4370)]