678490680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1093}}^1$

素因数の和:1853

約数の個数: 128

約数和(自身を含む): 2331532800

約数和(自身を除く): 1653042120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 739, 840, 1093, 1478, 2186, 2217, 2956, 3279, 3695, 4372, 4434, 5173, 5465, 5912, 6558, 7390, 7651, 8744, 8868, 10346, 10930, 11085, 13116, 14780, 15302, 15519, 16395, 17736, 20692, 21860, 22170, 22953, 25865, 26232, 29560, 30604, 31038, 32790, 38255, 41384, 43720, 44340, 45906, 51730, 61208, 62076, 65580, 76510, 77595, 88680, 91812, 103460, 114765, 124152, 131160, 153020, 155190, 183624, 206920, 229530, 306040, 310380, 459060, 620760, 807727, 918120, 1615454, 2423181, 3230908, 4038635, 4846362, 5654089, 6461816, 8077270, 9692724, 11308178, 12115905, 16154540, 16962267, 19385448, 22616356, 24231810, 28270445, 32309080, 33924534, 45232712, 48463620, 56540890, 67849068, 84811335, 96927240, 113081780, 135698136, 169622670, 226163560, 339245340, 678490680]

約数ペア:

[(1, 678490680), (2, 339245340), (3, 226163560), (4, 169622670), (5, 135698136), (6, 113081780), (7, 96927240), (8, 84811335), (10, 67849068), (12, 56540890), (14, 48463620), (15, 45232712), (20, 33924534), (21, 32309080), (24, 28270445), (28, 24231810), (30, 22616356), (35, 19385448), (40, 16962267), (42, 16154540), (56, 12115905), (60, 11308178), (70, 9692724), (84, 8077270), (105, 6461816), (120, 5654089), (140, 4846362), (168, 4038635), (210, 3230908), (280, 2423181), (420, 1615454), (739, 918120), (840, 807727), (1093, 620760), (1478, 459060), (2186, 310380), (2217, 306040), (2956, 229530), (3279, 206920), (3695, 183624), (4372, 155190), (4434, 153020), (5173, 131160), (5465, 124152), (5912, 114765), (6558, 103460), (7390, 91812), (7651, 88680), (8744, 77595), (8868, 76510), (10346, 65580), (10930, 62076), (11085, 61208), (13116, 51730), (14780, 45906), (15302, 44340), (15519, 43720), (16395, 41384), (17736, 38255), (20692, 32790), (21860, 31038), (22170, 30604), (22953, 29560), (25865, 26232)]