391457520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3463}}^1$

素因数の和:3639

約数の個数: 120

約数和(自身を含む): 1323400416

約数和(自身を除く): 931942896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 157, 180, 240, 314, 360, 471, 628, 720, 785, 942, 1256, 1413, 1570, 1884, 2355, 2512, 2826, 3140, 3463, 3768, 4710, 5652, 6280, 6926, 7065, 7536, 9420, 10389, 11304, 12560, 13852, 14130, 17315, 18840, 20778, 22608, 27704, 28260, 31167, 34630, 37680, 41556, 51945, 55408, 56520, 62334, 69260, 83112, 103890, 113040, 124668, 138520, 155835, 166224, 207780, 249336, 277040, 311670, 415560, 498672, 543691, 623340, 831120, 1087382, 1246680, 1631073, 2174764, 2493360, 2718455, 3262146, 4349528, 4893219, 5436910, 6524292, 8155365, 8699056, 9786438, 10873820, 13048584, 16310730, 19572876, 21747640, 24466095, 26097168, 32621460, 39145752, 43495280, 48932190, 65242920, 78291504, 97864380, 130485840, 195728760, 391457520]

約数ペア:

[(1, 391457520), (2, 195728760), (3, 130485840), (4, 97864380), (5, 78291504), (6, 65242920), (8, 48932190), (9, 43495280), (10, 39145752), (12, 32621460), (15, 26097168), (16, 24466095), (18, 21747640), (20, 19572876), (24, 16310730), (30, 13048584), (36, 10873820), (40, 9786438), (45, 8699056), (48, 8155365), (60, 6524292), (72, 5436910), (80, 4893219), (90, 4349528), (120, 3262146), (144, 2718455), (157, 2493360), (180, 2174764), (240, 1631073), (314, 1246680), (360, 1087382), (471, 831120), (628, 623340), (720, 543691), (785, 498672), (942, 415560), (1256, 311670), (1413, 277040), (1570, 249336), (1884, 207780), (2355, 166224), (2512, 155835), (2826, 138520), (3140, 124668), (3463, 113040), (3768, 103890), (4710, 83112), (5652, 69260), (6280, 62334), (6926, 56520), (7065, 55408), (7536, 51945), (9420, 41556), (10389, 37680), (11304, 34630), (12560, 31167), (13852, 28260), (14130, 27704), (17315, 22608), (18840, 20778)]