645540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 2177280

約数和(自身を除く): 1531740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 53, 58, 60, 70, 84, 87, 105, 106, 116, 140, 145, 159, 174, 203, 210, 212, 265, 290, 318, 348, 371, 406, 420, 435, 530, 580, 609, 636, 742, 795, 812, 870, 1015, 1060, 1113, 1218, 1484, 1537, 1590, 1740, 1855, 2030, 2226, 2436, 3045, 3074, 3180, 3710, 4060, 4452, 4611, 5565, 6090, 6148, 7420, 7685, 9222, 10759, 11130, 12180, 15370, 18444, 21518, 22260, 23055, 30740, 32277, 43036, 46110, 53795, 64554, 92220, 107590, 129108, 161385, 215180, 322770, 645540]

約数ペア:

[(1, 645540), (2, 322770), (3, 215180), (4, 161385), (5, 129108), (6, 107590), (7, 92220), (10, 64554), (12, 53795), (14, 46110), (15, 43036), (20, 32277), (21, 30740), (28, 23055), (29, 22260), (30, 21518), (35, 18444), (42, 15370), (53, 12180), (58, 11130), (60, 10759), (70, 9222), (84, 7685), (87, 7420), (105, 6148), (106, 6090), (116, 5565), (140, 4611), (145, 4452), (159, 4060), (174, 3710), (203, 3180), (210, 3074), (212, 3045), (265, 2436), (290, 2226), (318, 2030), (348, 1855), (371, 1740), (406, 1590), (420, 1537), (435, 1484), (530, 1218), (580, 1113), (609, 1060), (636, 1015), (742, 870), (795, 812)]