165914480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 401760000

約数和(自身を除く): 235845520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 449, 496, 596, 620, 745, 898, 1192, 1240, 1490, 1796, 2245, 2384, 2480, 2980, 3592, 4490, 4619, 5960, 7184, 8980, 9238, 11920, 13919, 17960, 18476, 23095, 27838, 35920, 36952, 46190, 55676, 66901, 69595, 73904, 92380, 111352, 133802, 139190, 184760, 222704, 267604, 278380, 334505, 369520, 535208, 556760, 669010, 1070416, 1113520, 1338020, 2073931, 2676040, 4147862, 5352080, 8295724, 10369655, 16591448, 20739310, 33182896, 41478620, 82957240, 165914480]

約数ペア:

[(1, 165914480), (2, 82957240), (4, 41478620), (5, 33182896), (8, 20739310), (10, 16591448), (16, 10369655), (20, 8295724), (31, 5352080), (40, 4147862), (62, 2676040), (80, 2073931), (124, 1338020), (149, 1113520), (155, 1070416), (248, 669010), (298, 556760), (310, 535208), (449, 369520), (496, 334505), (596, 278380), (620, 267604), (745, 222704), (898, 184760), (1192, 139190), (1240, 133802), (1490, 111352), (1796, 92380), (2245, 73904), (2384, 69595), (2480, 66901), (2980, 55676), (3592, 46190), (4490, 36952), (4619, 35920), (5960, 27838), (7184, 23095), (8980, 18476), (9238, 17960), (11920, 13919)]