3921120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 15331680

約数和(自身を除く): 11410560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 389, 420, 480, 504, 560, 630, 672, 720, 778, 840, 1008, 1120, 1167, 1260, 1440, 1556, 1680, 1945, 2016, 2334, 2520, 2723, 3112, 3360, 3501, 3890, 4668, 5040, 5446, 5835, 6224, 7002, 7780, 8169, 9336, 10080, 10892, 11670, 12448, 13615, 14004, 15560, 16338, 17505, 18672, 21784, 23340, 24507, 27230, 28008, 31120, 32676, 35010, 37344, 40845, 43568, 46680, 49014, 54460, 56016, 62240, 65352, 70020, 81690, 87136, 93360, 98028, 108920, 112032, 122535, 130704, 140040, 163380, 186720, 196056, 217840, 245070, 261408, 280080, 326760, 392112, 435680, 490140, 560160, 653520, 784224, 980280, 1307040, 1960560, 3921120]

約数ペア:

[(1, 3921120), (2, 1960560), (3, 1307040), (4, 980280), (5, 784224), (6, 653520), (7, 560160), (8, 490140), (9, 435680), (10, 392112), (12, 326760), (14, 280080), (15, 261408), (16, 245070), (18, 217840), (20, 196056), (21, 186720), (24, 163380), (28, 140040), (30, 130704), (32, 122535), (35, 112032), (36, 108920), (40, 98028), (42, 93360), (45, 87136), (48, 81690), (56, 70020), (60, 65352), (63, 62240), (70, 56016), (72, 54460), (80, 49014), (84, 46680), (90, 43568), (96, 40845), (105, 37344), (112, 35010), (120, 32676), (126, 31120), (140, 28008), (144, 27230), (160, 24507), (168, 23340), (180, 21784), (210, 18672), (224, 17505), (240, 16338), (252, 15560), (280, 14004), (288, 13615), (315, 12448), (336, 11670), (360, 10892), (389, 10080), (420, 9336), (480, 8169), (504, 7780), (560, 7002), (630, 6224), (672, 5835), (720, 5446), (778, 5040), (840, 4668), (1008, 3890), (1120, 3501), (1167, 3360), (1260, 3112), (1440, 2723), (1556, 2520), (1680, 2334), (1945, 2016)]