620447640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9811}}^1$

素因数の和:9873

約数の個数: 128

約数和(自身を含む): 2034616320

約数和(自身を除く): 1414168680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 9811, 10540, 12648, 15810, 19622, 21080, 29433, 31620, 39244, 49055, 58866, 63240, 78488, 98110, 117732, 147165, 166787, 196220, 235464, 294330, 304141, 333574, 392440, 500361, 588660, 608282, 667148, 833935, 912423, 1000722, 1177320, 1216564, 1334296, 1520705, 1667870, 1824846, 2001444, 2433128, 2501805, 3041410, 3335740, 3649692, 4002888, 4562115, 5003610, 5170397, 6082820, 6671480, 7299384, 9124230, 10007220, 10340794, 12165640, 15511191, 18248460, 20014440, 20681588, 25851985, 31022382, 36496920, 41363176, 51703970, 62044764, 77555955, 103407940, 124089528, 155111910, 206815880, 310223820, 620447640]

約数ペア:

[(1, 620447640), (2, 310223820), (3, 206815880), (4, 155111910), (5, 124089528), (6, 103407940), (8, 77555955), (10, 62044764), (12, 51703970), (15, 41363176), (17, 36496920), (20, 31022382), (24, 25851985), (30, 20681588), (31, 20014440), (34, 18248460), (40, 15511191), (51, 12165640), (60, 10340794), (62, 10007220), (68, 9124230), (85, 7299384), (93, 6671480), (102, 6082820), (120, 5170397), (124, 5003610), (136, 4562115), (155, 4002888), (170, 3649692), (186, 3335740), (204, 3041410), (248, 2501805), (255, 2433128), (310, 2001444), (340, 1824846), (372, 1667870), (408, 1520705), (465, 1334296), (510, 1216564), (527, 1177320), (620, 1000722), (680, 912423), (744, 833935), (930, 667148), (1020, 608282), (1054, 588660), (1240, 500361), (1581, 392440), (1860, 333574), (2040, 304141), (2108, 294330), (2635, 235464), (3162, 196220), (3720, 166787), (4216, 147165), (5270, 117732), (6324, 98110), (7905, 78488), (9811, 63240), (10540, 58866), (12648, 49055), (15810, 39244), (19622, 31620), (21080, 29433)]