427954920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 1323527040

約数和(自身を除く): 895572120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 197, 215, 258, 344, 394, 421, 430, 516, 591, 645, 788, 842, 860, 985, 1032, 1182, 1263, 1290, 1576, 1684, 1720, 1970, 2105, 2364, 2526, 2580, 2955, 3368, 3940, 4210, 4728, 5052, 5160, 5910, 6315, 7880, 8420, 8471, 10104, 11820, 12630, 16840, 16942, 18103, 23640, 25260, 25413, 33884, 36206, 42355, 50520, 50826, 54309, 67768, 72412, 82937, 84710, 90515, 101652, 108618, 127065, 144824, 165874, 169420, 181030, 203304, 217236, 248811, 254130, 271545, 331748, 338840, 362060, 414685, 434472, 497622, 508260, 543090, 663496, 724120, 829370, 995244, 1016520, 1086180, 1244055, 1658740, 1990488, 2172360, 2488110, 3317480, 3566291, 4976220, 7132582, 9952440, 10698873, 14265164, 17831455, 21397746, 28530328, 35662910, 42795492, 53494365, 71325820, 85590984, 106988730, 142651640, 213977460, 427954920]

約数ペア:

[(1, 427954920), (2, 213977460), (3, 142651640), (4, 106988730), (5, 85590984), (6, 71325820), (8, 53494365), (10, 42795492), (12, 35662910), (15, 28530328), (20, 21397746), (24, 17831455), (30, 14265164), (40, 10698873), (43, 9952440), (60, 7132582), (86, 4976220), (120, 3566291), (129, 3317480), (172, 2488110), (197, 2172360), (215, 1990488), (258, 1658740), (344, 1244055), (394, 1086180), (421, 1016520), (430, 995244), (516, 829370), (591, 724120), (645, 663496), (788, 543090), (842, 508260), (860, 497622), (985, 434472), (1032, 414685), (1182, 362060), (1263, 338840), (1290, 331748), (1576, 271545), (1684, 254130), (1720, 248811), (1970, 217236), (2105, 203304), (2364, 181030), (2526, 169420), (2580, 165874), (2955, 144824), (3368, 127065), (3940, 108618), (4210, 101652), (4728, 90515), (5052, 84710), (5160, 82937), (5910, 72412), (6315, 67768), (7880, 54309), (8420, 50826), (8471, 50520), (10104, 42355), (11820, 36206), (12630, 33884), (16840, 25413), (16942, 25260), (18103, 23640)]