28913580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 108

約数和(自身を含む): 91308672

約数和(自身を除く): 62395092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 191, 261, 290, 348, 382, 435, 522, 573, 580, 764, 841, 870, 955, 1044, 1146, 1305, 1682, 1719, 1740, 1910, 2292, 2523, 2610, 2865, 3364, 3438, 3820, 4205, 5046, 5220, 5539, 5730, 6876, 7569, 8410, 8595, 10092, 11078, 11460, 12615, 15138, 16617, 16820, 17190, 22156, 25230, 27695, 30276, 33234, 34380, 37845, 49851, 50460, 55390, 66468, 75690, 83085, 99702, 110780, 151380, 160631, 166170, 199404, 249255, 321262, 332340, 481893, 498510, 642524, 803155, 963786, 997020, 1445679, 1606310, 1927572, 2409465, 2891358, 3212620, 4818930, 5782716, 7228395, 9637860, 14456790, 28913580]

約数ペア:

[(1, 28913580), (2, 14456790), (3, 9637860), (4, 7228395), (5, 5782716), (6, 4818930), (9, 3212620), (10, 2891358), (12, 2409465), (15, 1927572), (18, 1606310), (20, 1445679), (29, 997020), (30, 963786), (36, 803155), (45, 642524), (58, 498510), (60, 481893), (87, 332340), (90, 321262), (116, 249255), (145, 199404), (174, 166170), (180, 160631), (191, 151380), (261, 110780), (290, 99702), (348, 83085), (382, 75690), (435, 66468), (522, 55390), (573, 50460), (580, 49851), (764, 37845), (841, 34380), (870, 33234), (955, 30276), (1044, 27695), (1146, 25230), (1305, 22156), (1682, 17190), (1719, 16820), (1740, 16617), (1910, 15138), (2292, 12615), (2523, 11460), (2610, 11078), (2865, 10092), (3364, 8595), (3438, 8410), (3820, 7569), (4205, 6876), (5046, 5730), (5220, 5539)]