890962440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 192

約数和(自身を含む): 2860608960

約数和(自身を除く): 1969646520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 157, 190, 228, 262, 285, 314, 361, 380, 393, 456, 471, 524, 570, 628, 655, 722, 760, 785, 786, 942, 1048, 1083, 1140, 1256, 1310, 1444, 1570, 1572, 1805, 1884, 1965, 2166, 2280, 2355, 2489, 2620, 2888, 2983, 3140, 3144, 3610, 3768, 3930, 4332, 4710, 4978, 5240, 5415, 5966, 6280, 7220, 7467, 7860, 8664, 8949, 9420, 9956, 10830, 11932, 12445, 14440, 14915, 14934, 15720, 17898, 18840, 19912, 20567, 21660, 23864, 24890, 29830, 29868, 35796, 37335, 41134, 43320, 44745, 47291, 49780, 56677, 59660, 59736, 61701, 71592, 74670, 82268, 89490, 94582, 99560, 102835, 113354, 119320, 123402, 141873, 149340, 164536, 170031, 178980, 189164, 205670, 226708, 236455, 246804, 283385, 283746, 298680, 308505, 340062, 357960, 378328, 390773, 411340, 453416, 472910, 493608, 566770, 567492, 617010, 680124, 709365, 781546, 822680, 850155, 945820, 1133540, 1134984, 1172319, 1234020, 1360248, 1418730, 1563092, 1700310, 1891640, 1953865, 2267080, 2344638, 2468040, 2837460, 3126184, 3400620, 3907730, 4689276, 5674920, 5861595, 6801240, 7424687, 7815460, 9378552, 11723190, 14849374, 15630920, 22274061, 23446380, 29698748, 37123435, 44548122, 46892760, 59397496, 74246870, 89096244, 111370305, 148493740, 178192488, 222740610, 296987480, 445481220, 890962440]

約数ペア:

[(1, 890962440), (2, 445481220), (3, 296987480), (4, 222740610), (5, 178192488), (6, 148493740), (8, 111370305), (10, 89096244), (12, 74246870), (15, 59397496), (19, 46892760), (20, 44548122), (24, 37123435), (30, 29698748), (38, 23446380), (40, 22274061), (57, 15630920), (60, 14849374), (76, 11723190), (95, 9378552), (114, 7815460), (120, 7424687), (131, 6801240), (152, 5861595), (157, 5674920), (190, 4689276), (228, 3907730), (262, 3400620), (285, 3126184), (314, 2837460), (361, 2468040), (380, 2344638), (393, 2267080), (456, 1953865), (471, 1891640), (524, 1700310), (570, 1563092), (628, 1418730), (655, 1360248), (722, 1234020), (760, 1172319), (785, 1134984), (786, 1133540), (942, 945820), (1048, 850155), (1083, 822680), (1140, 781546), (1256, 709365), (1310, 680124), (1444, 617010), (1570, 567492), (1572, 566770), (1805, 493608), (1884, 472910), (1965, 453416), (2166, 411340), (2280, 390773), (2355, 378328), (2489, 357960), (2620, 340062), (2888, 308505), (2983, 298680), (3140, 283746), (3144, 283385), (3610, 246804), (3768, 236455), (3930, 226708), (4332, 205670), (4710, 189164), (4978, 178980), (5240, 170031), (5415, 164536), (5966, 149340), (6280, 141873), (7220, 123402), (7467, 119320), (7860, 113354), (8664, 102835), (8949, 99560), (9420, 94582), (9956, 89490), (10830, 82268), (11932, 74670), (12445, 71592), (14440, 61701), (14915, 59736), (14934, 59660), (15720, 56677), (17898, 49780), (18840, 47291), (19912, 44745), (20567, 43320), (21660, 41134), (23864, 37335), (24890, 35796), (29830, 29868)]