691920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^2$

素因数の和:81

約数の個数: 90

約数和(自身を含む): 2401074

約数和(自身を除く): 1709154

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 961, 1116, 1240, 1395, 1488, 1860, 1922, 2232, 2480, 2790, 2883, 3720, 3844, 4464, 4805, 5580, 5766, 7440, 7688, 8649, 9610, 11160, 11532, 14415, 15376, 17298, 19220, 22320, 23064, 28830, 34596, 38440, 43245, 46128, 57660, 69192, 76880, 86490, 115320, 138384, 172980, 230640, 345960, 691920]

約数ペア:

[(1, 691920), (2, 345960), (3, 230640), (4, 172980), (5, 138384), (6, 115320), (8, 86490), (9, 76880), (10, 69192), (12, 57660), (15, 46128), (16, 43245), (18, 38440), (20, 34596), (24, 28830), (30, 23064), (31, 22320), (36, 19220), (40, 17298), (45, 15376), (48, 14415), (60, 11532), (62, 11160), (72, 9610), (80, 8649), (90, 7688), (93, 7440), (120, 5766), (124, 5580), (144, 4805), (155, 4464), (180, 3844), (186, 3720), (240, 2883), (248, 2790), (279, 2480), (310, 2232), (360, 1922), (372, 1860), (465, 1488), (496, 1395), (558, 1240), (620, 1116), (720, 961), (744, 930)]