80441340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27361}}^1$

素因数の和:27387

約数の個数: 72

約数和(自身を含む): 262018512

約数和(自身を除く): 181577172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27361, 54722, 82083, 109444, 136805, 164166, 191527, 273610, 328332, 383054, 410415, 547220, 574581, 766108, 820830, 957635, 1149162, 1340689, 1641660, 1915270, 2298324, 2681378, 2872905, 3830540, 4022067, 5362756, 5745810, 6703445, 8044134, 11491620, 13406890, 16088268, 20110335, 26813780, 40220670, 80441340]

約数ペア:

[(1, 80441340), (2, 40220670), (3, 26813780), (4, 20110335), (5, 16088268), (6, 13406890), (7, 11491620), (10, 8044134), (12, 6703445), (14, 5745810), (15, 5362756), (20, 4022067), (21, 3830540), (28, 2872905), (30, 2681378), (35, 2298324), (42, 1915270), (49, 1641660), (60, 1340689), (70, 1149162), (84, 957635), (98, 820830), (105, 766108), (140, 574581), (147, 547220), (196, 410415), (210, 383054), (245, 328332), (294, 273610), (420, 191527), (490, 164166), (588, 136805), (735, 109444), (980, 82083), (1470, 54722), (2940, 27361)]