72905640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 155190360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 199, 213, 215, 258, 284, 344, 355, 398, 426, 430, 516, 568, 597, 645, 710, 796, 852, 860, 995, 1032, 1065, 1194, 1290, 1420, 1592, 1704, 1720, 1990, 2130, 2388, 2580, 2840, 2985, 3053, 3980, 4260, 4776, 5160, 5970, 6106, 7960, 8520, 8557, 9159, 11940, 12212, 14129, 15265, 17114, 18318, 23880, 24424, 25671, 28258, 30530, 34228, 36636, 42387, 42785, 45795, 51342, 56516, 61060, 68456, 70645, 73272, 84774, 85570, 91590, 102684, 113032, 122120, 128355, 141290, 169548, 171140, 183180, 205368, 211935, 256710, 282580, 339096, 342280, 366360, 423870, 513420, 565160, 607547, 847740, 1026840, 1215094, 1695480, 1822641, 2430188, 3037735, 3645282, 4860376, 6075470, 7290564, 9113205, 12150940, 14581128, 18226410, 24301880, 36452820, 72905640]

約数ペア:

[(1, 72905640), (2, 36452820), (3, 24301880), (4, 18226410), (5, 14581128), (6, 12150940), (8, 9113205), (10, 7290564), (12, 6075470), (15, 4860376), (20, 3645282), (24, 3037735), (30, 2430188), (40, 1822641), (43, 1695480), (60, 1215094), (71, 1026840), (86, 847740), (120, 607547), (129, 565160), (142, 513420), (172, 423870), (199, 366360), (213, 342280), (215, 339096), (258, 282580), (284, 256710), (344, 211935), (355, 205368), (398, 183180), (426, 171140), (430, 169548), (516, 141290), (568, 128355), (597, 122120), (645, 113032), (710, 102684), (796, 91590), (852, 85570), (860, 84774), (995, 73272), (1032, 70645), (1065, 68456), (1194, 61060), (1290, 56516), (1420, 51342), (1592, 45795), (1704, 42785), (1720, 42387), (1990, 36636), (2130, 34228), (2388, 30530), (2580, 28258), (2840, 25671), (2985, 24424), (3053, 23880), (3980, 18318), (4260, 17114), (4776, 15265), (5160, 14129), (5970, 12212), (6106, 11940), (7960, 9159), (8520, 8557)]