123121320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{20939}}^1$

素因数の和:20967

約数の個数: 96

約数和(自身を含む): 429688800

約数和(自身を除く): 306567480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 20939, 41878, 62817, 83756, 104695, 125634, 146573, 167512, 209390, 251268, 293146, 314085, 418780, 439719, 502536, 586292, 628170, 732865, 837560, 879438, 1026011, 1172584, 1256340, 1465730, 1758876, 2052022, 2198595, 2512680, 2931460, 3078033, 3517752, 4104044, 4397190, 5130055, 5862920, 6156066, 8208088, 8794380, 10260110, 12312132, 15390165, 17588760, 20520220, 24624264, 30780330, 41040440, 61560660, 123121320]

約数ペア:

[(1, 123121320), (2, 61560660), (3, 41040440), (4, 30780330), (5, 24624264), (6, 20520220), (7, 17588760), (8, 15390165), (10, 12312132), (12, 10260110), (14, 8794380), (15, 8208088), (20, 6156066), (21, 5862920), (24, 5130055), (28, 4397190), (30, 4104044), (35, 3517752), (40, 3078033), (42, 2931460), (49, 2512680), (56, 2198595), (60, 2052022), (70, 1758876), (84, 1465730), (98, 1256340), (105, 1172584), (120, 1026011), (140, 879438), (147, 837560), (168, 732865), (196, 628170), (210, 586292), (245, 502536), (280, 439719), (294, 418780), (392, 314085), (420, 293146), (490, 251268), (588, 209390), (735, 167512), (840, 146573), (980, 125634), (1176, 104695), (1470, 83756), (1960, 62817), (2940, 41878), (5880, 20939)]