320998440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8887}}^1$

素因数の和:8951

約数の個数: 128

約数和(自身を含む): 1126287360

約数和(自身を除く): 805288920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 8887, 9030, 12040, 17774, 18060, 26661, 35548, 36120, 44435, 53322, 62209, 71096, 88870, 106644, 124418, 133305, 177740, 186627, 213288, 248836, 266610, 311045, 355480, 373254, 382141, 497672, 533220, 622090, 746508, 764282, 933135, 1066440, 1146423, 1244180, 1493016, 1528564, 1866270, 1910705, 2292846, 2488360, 2674987, 3057128, 3732540, 3821410, 4585692, 5349974, 5732115, 7465080, 7642820, 8024961, 9171384, 10699948, 11464230, 13374935, 15285640, 16049922, 21399896, 22928460, 26749870, 32099844, 40124805, 45856920, 53499740, 64199688, 80249610, 106999480, 160499220, 320998440]

約数ペア:

[(1, 320998440), (2, 160499220), (3, 106999480), (4, 80249610), (5, 64199688), (6, 53499740), (7, 45856920), (8, 40124805), (10, 32099844), (12, 26749870), (14, 22928460), (15, 21399896), (20, 16049922), (21, 15285640), (24, 13374935), (28, 11464230), (30, 10699948), (35, 9171384), (40, 8024961), (42, 7642820), (43, 7465080), (56, 5732115), (60, 5349974), (70, 4585692), (84, 3821410), (86, 3732540), (105, 3057128), (120, 2674987), (129, 2488360), (140, 2292846), (168, 1910705), (172, 1866270), (210, 1528564), (215, 1493016), (258, 1244180), (280, 1146423), (301, 1066440), (344, 933135), (420, 764282), (430, 746508), (516, 622090), (602, 533220), (645, 497672), (840, 382141), (860, 373254), (903, 355480), (1032, 311045), (1204, 266610), (1290, 248836), (1505, 213288), (1720, 186627), (1806, 177740), (2408, 133305), (2580, 124418), (3010, 106644), (3612, 88870), (4515, 71096), (5160, 62209), (6020, 53322), (7224, 44435), (8887, 36120), (9030, 35548), (12040, 26661), (17774, 18060)]