420259560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16139}}^1$

素因数の和:16191

約数の個数: 128

約数和(自身を含む): 1487462400

約数和(自身を除く): 1067202840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 16139, 26040, 32278, 48417, 64556, 80695, 96834, 112973, 129112, 161390, 193668, 225946, 242085, 322780, 338919, 387336, 451892, 484170, 500309, 564865, 645560, 677838, 903784, 968340, 1000618, 1129730, 1355676, 1500927, 1694595, 1936680, 2001236, 2259460, 2501545, 2711352, 3001854, 3389190, 3502163, 4002472, 4518920, 5003090, 6003708, 6778380, 7004326, 7504635, 10006180, 10506489, 12007416, 13556760, 14008652, 15009270, 17510815, 20012360, 21012978, 28017304, 30018540, 35021630, 42025956, 52532445, 60037080, 70043260, 84051912, 105064890, 140086520, 210129780, 420259560]

約数ペア:

[(1, 420259560), (2, 210129780), (3, 140086520), (4, 105064890), (5, 84051912), (6, 70043260), (7, 60037080), (8, 52532445), (10, 42025956), (12, 35021630), (14, 30018540), (15, 28017304), (20, 21012978), (21, 20012360), (24, 17510815), (28, 15009270), (30, 14008652), (31, 13556760), (35, 12007416), (40, 10506489), (42, 10006180), (56, 7504635), (60, 7004326), (62, 6778380), (70, 6003708), (84, 5003090), (93, 4518920), (105, 4002472), (120, 3502163), (124, 3389190), (140, 3001854), (155, 2711352), (168, 2501545), (186, 2259460), (210, 2001236), (217, 1936680), (248, 1694595), (280, 1500927), (310, 1355676), (372, 1129730), (420, 1000618), (434, 968340), (465, 903784), (620, 677838), (651, 645560), (744, 564865), (840, 500309), (868, 484170), (930, 451892), (1085, 387336), (1240, 338919), (1302, 322780), (1736, 242085), (1860, 225946), (2170, 193668), (2604, 161390), (3255, 129112), (3720, 112973), (4340, 96834), (5208, 80695), (6510, 64556), (8680, 48417), (13020, 32278), (16139, 26040)]