208351620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37339}}^1$

素因数の和:37385

約数の個数: 72

約数和(自身を含む): 652404480

約数和(自身を除く): 444052860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 37339, 74678, 112017, 149356, 186695, 224034, 336051, 373390, 448068, 560085, 672102, 746780, 1120170, 1157509, 1344204, 1680255, 2240340, 2315018, 3360510, 3472527, 4630036, 5787545, 6721020, 6945054, 10417581, 11575090, 13890108, 17362635, 20835162, 23150180, 34725270, 41670324, 52087905, 69450540, 104175810, 208351620]

約数ペア:

[(1, 208351620), (2, 104175810), (3, 69450540), (4, 52087905), (5, 41670324), (6, 34725270), (9, 23150180), (10, 20835162), (12, 17362635), (15, 13890108), (18, 11575090), (20, 10417581), (30, 6945054), (31, 6721020), (36, 5787545), (45, 4630036), (60, 3472527), (62, 3360510), (90, 2315018), (93, 2240340), (124, 1680255), (155, 1344204), (180, 1157509), (186, 1120170), (279, 746780), (310, 672102), (372, 560085), (465, 448068), (558, 373390), (620, 336051), (930, 224034), (1116, 186695), (1395, 149356), (1860, 112017), (2790, 74678), (5580, 37339)]