16918440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 128

約数和(自身を含む): 63313920

約数和(自身を除く): 46395480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1831, 1848, 2310, 3080, 3662, 4620, 5493, 7324, 9155, 9240, 10986, 12817, 14648, 18310, 20141, 21972, 25634, 27465, 36620, 38451, 40282, 43944, 51268, 54930, 60423, 64085, 73240, 76902, 80564, 100705, 102536, 109860, 120846, 128170, 140987, 153804, 161128, 192255, 201410, 219720, 241692, 256340, 281974, 302115, 307608, 384510, 402820, 422961, 483384, 512680, 563948, 604230, 704935, 769020, 805640, 845922, 1127896, 1208460, 1409870, 1538040, 1691844, 2114805, 2416920, 2819740, 3383688, 4229610, 5639480, 8459220, 16918440]

約数ペア:

[(1, 16918440), (2, 8459220), (3, 5639480), (4, 4229610), (5, 3383688), (6, 2819740), (7, 2416920), (8, 2114805), (10, 1691844), (11, 1538040), (12, 1409870), (14, 1208460), (15, 1127896), (20, 845922), (21, 805640), (22, 769020), (24, 704935), (28, 604230), (30, 563948), (33, 512680), (35, 483384), (40, 422961), (42, 402820), (44, 384510), (55, 307608), (56, 302115), (60, 281974), (66, 256340), (70, 241692), (77, 219720), (84, 201410), (88, 192255), (105, 161128), (110, 153804), (120, 140987), (132, 128170), (140, 120846), (154, 109860), (165, 102536), (168, 100705), (210, 80564), (220, 76902), (231, 73240), (264, 64085), (280, 60423), (308, 54930), (330, 51268), (385, 43944), (420, 40282), (440, 38451), (462, 36620), (616, 27465), (660, 25634), (770, 21972), (840, 20141), (924, 18310), (1155, 14648), (1320, 12817), (1540, 10986), (1831, 9240), (1848, 9155), (2310, 7324), (3080, 5493), (3662, 4620)]