1311240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{223}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 4596480

約数和(自身を除く): 3285240

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, 223, 245, 280, 294, 392, 420, 446, 490, 588, 669, 735, 840, 892, 980, 1115, 1176, 1338, 1470, 1561, 1784, 1960, 2230, 2676, 2940, 3122, 3345, 4460, 4683, 5352, 5880, 6244, 6690, 7805, 8920, 9366, 10927, 12488, 13380, 15610, 18732, 21854, 23415, 26760, 31220, 32781, 37464, 43708, 46830, 54635, 62440, 65562, 87416, 93660, 109270, 131124, 163905, 187320, 218540, 262248, 327810, 437080, 655620, 1311240]

約数ペア:

[(1, 1311240), (2, 655620), (3, 437080), (4, 327810), (5, 262248), (6, 218540), (7, 187320), (8, 163905), (10, 131124), (12, 109270), (14, 93660), (15, 87416), (20, 65562), (21, 62440), (24, 54635), (28, 46830), (30, 43708), (35, 37464), (40, 32781), (42, 31220), (49, 26760), (56, 23415), (60, 21854), (70, 18732), (84, 15610), (98, 13380), (105, 12488), (120, 10927), (140, 9366), (147, 8920), (168, 7805), (196, 6690), (210, 6244), (223, 5880), (245, 5352), (280, 4683), (294, 4460), (392, 3345), (420, 3122), (446, 2940), (490, 2676), (588, 2230), (669, 1960), (735, 1784), (840, 1561), (892, 1470), (980, 1338), (1115, 1176)]