77646920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 127985080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 271, 290, 377, 380, 494, 520, 542, 551, 580, 754, 760, 988, 1084, 1102, 1160, 1235, 1355, 1508, 1885, 1976, 2168, 2204, 2470, 2710, 2755, 3016, 3523, 3770, 4408, 4940, 5149, 5420, 5510, 7046, 7163, 7540, 7859, 9880, 10298, 10840, 11020, 14092, 14326, 15080, 15718, 17615, 20596, 22040, 25745, 28184, 28652, 31436, 35230, 35815, 39295, 41192, 51490, 57304, 62872, 66937, 70460, 71630, 78590, 102167, 102980, 133874, 140920, 143260, 149321, 157180, 204334, 205960, 267748, 286520, 298642, 314360, 334685, 408668, 510835, 535496, 597284, 669370, 746605, 817336, 1021670, 1194568, 1338740, 1493210, 1941173, 2043340, 2677480, 2986420, 3882346, 4086680, 5972840, 7764692, 9705865, 15529384, 19411730, 38823460, 77646920]

約数ペア:

[(1, 77646920), (2, 38823460), (4, 19411730), (5, 15529384), (8, 9705865), (10, 7764692), (13, 5972840), (19, 4086680), (20, 3882346), (26, 2986420), (29, 2677480), (38, 2043340), (40, 1941173), (52, 1493210), (58, 1338740), (65, 1194568), (76, 1021670), (95, 817336), (104, 746605), (116, 669370), (130, 597284), (145, 535496), (152, 510835), (190, 408668), (232, 334685), (247, 314360), (260, 298642), (271, 286520), (290, 267748), (377, 205960), (380, 204334), (494, 157180), (520, 149321), (542, 143260), (551, 140920), (580, 133874), (754, 102980), (760, 102167), (988, 78590), (1084, 71630), (1102, 70460), (1160, 66937), (1235, 62872), (1355, 57304), (1508, 51490), (1885, 41192), (1976, 39295), (2168, 35815), (2204, 35230), (2470, 31436), (2710, 28652), (2755, 28184), (3016, 25745), (3523, 22040), (3770, 20596), (4408, 17615), (4940, 15718), (5149, 15080), (5420, 14326), (5510, 14092), (7046, 11020), (7163, 10840), (7540, 10298), (7859, 9880)]