2478420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:310

約数の個数: 108

約数和(自身を含む): 8776404

約数和(自身を除く): 6297984

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 281, 294, 315, 420, 441, 490, 562, 588, 630, 735, 843, 882, 980, 1124, 1260, 1405, 1470, 1686, 1764, 1967, 2205, 2529, 2810, 2940, 3372, 3934, 4215, 4410, 5058, 5620, 5901, 7868, 8430, 8820, 9835, 10116, 11802, 12645, 13769, 16860, 17703, 19670, 23604, 25290, 27538, 29505, 35406, 39340, 41307, 50580, 55076, 59010, 68845, 70812, 82614, 88515, 118020, 123921, 137690, 165228, 177030, 206535, 247842, 275380, 354060, 413070, 495684, 619605, 826140, 1239210, 2478420]

約数ペア:

[(1, 2478420), (2, 1239210), (3, 826140), (4, 619605), (5, 495684), (6, 413070), (7, 354060), (9, 275380), (10, 247842), (12, 206535), (14, 177030), (15, 165228), (18, 137690), (20, 123921), (21, 118020), (28, 88515), (30, 82614), (35, 70812), (36, 68845), (42, 59010), (45, 55076), (49, 50580), (60, 41307), (63, 39340), (70, 35406), (84, 29505), (90, 27538), (98, 25290), (105, 23604), (126, 19670), (140, 17703), (147, 16860), (180, 13769), (196, 12645), (210, 11802), (245, 10116), (252, 9835), (281, 8820), (294, 8430), (315, 7868), (420, 5901), (441, 5620), (490, 5058), (562, 4410), (588, 4215), (630, 3934), (735, 3372), (843, 2940), (882, 2810), (980, 2529), (1124, 2205), (1260, 1967), (1405, 1764), (1470, 1686)]