87621690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1129}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 227808000

約数和(自身を除く): 140186310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1129, 1194, 1990, 2258, 2587, 2985, 3387, 5174, 5645, 5970, 6774, 7761, 11290, 12935, 14677, 15522, 16935, 25870, 29354, 33870, 38805, 44031, 73385, 77610, 88062, 146770, 220155, 224671, 440310, 449342, 674013, 1123355, 1348026, 2246710, 2920723, 3370065, 5841446, 6740130, 8762169, 14603615, 17524338, 29207230, 43810845, 87621690]

約数ペア:

[(1, 87621690), (2, 43810845), (3, 29207230), (5, 17524338), (6, 14603615), (10, 8762169), (13, 6740130), (15, 5841446), (26, 3370065), (30, 2920723), (39, 2246710), (65, 1348026), (78, 1123355), (130, 674013), (195, 449342), (199, 440310), (390, 224671), (398, 220155), (597, 146770), (995, 88062), (1129, 77610), (1194, 73385), (1990, 44031), (2258, 38805), (2587, 33870), (2985, 29354), (3387, 25870), (5174, 16935), (5645, 15522), (5970, 14677), (6774, 12935), (7761, 11290)]