1307913640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1549}}^1$

素因数の和:1691

約数の個数: 128

約数和(自身を含む): 3414960000

約数和(自身を除く): 2107046360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 101, 110, 152, 190, 202, 209, 220, 380, 404, 418, 440, 505, 760, 808, 836, 1010, 1045, 1111, 1549, 1672, 1919, 2020, 2090, 2222, 3098, 3838, 4040, 4180, 4444, 5555, 6196, 7676, 7745, 8360, 8888, 9595, 11110, 12392, 15352, 15490, 17039, 19190, 21109, 22220, 29431, 30980, 34078, 38380, 42218, 44440, 58862, 61960, 68156, 76760, 84436, 85195, 105545, 117724, 136312, 147155, 156449, 168872, 170390, 211090, 235448, 294310, 312898, 323741, 340780, 422180, 588620, 625796, 647482, 681560, 782245, 844360, 1177240, 1251592, 1294964, 1564490, 1618705, 1720939, 2589928, 2972531, 3128980, 3237410, 3441878, 5945062, 6257960, 6474820, 6883756, 8604695, 11890124, 12949640, 13767512, 14862655, 17209390, 23780248, 29725310, 32697841, 34418780, 59450620, 65395682, 68837560, 118901240, 130791364, 163489205, 261582728, 326978410, 653956820, 1307913640]

約数ペア:

[(1, 1307913640), (2, 653956820), (4, 326978410), (5, 261582728), (8, 163489205), (10, 130791364), (11, 118901240), (19, 68837560), (20, 65395682), (22, 59450620), (38, 34418780), (40, 32697841), (44, 29725310), (55, 23780248), (76, 17209390), (88, 14862655), (95, 13767512), (101, 12949640), (110, 11890124), (152, 8604695), (190, 6883756), (202, 6474820), (209, 6257960), (220, 5945062), (380, 3441878), (404, 3237410), (418, 3128980), (440, 2972531), (505, 2589928), (760, 1720939), (808, 1618705), (836, 1564490), (1010, 1294964), (1045, 1251592), (1111, 1177240), (1549, 844360), (1672, 782245), (1919, 681560), (2020, 647482), (2090, 625796), (2222, 588620), (3098, 422180), (3838, 340780), (4040, 323741), (4180, 312898), (4444, 294310), (5555, 235448), (6196, 211090), (7676, 170390), (7745, 168872), (8360, 156449), (8888, 147155), (9595, 136312), (11110, 117724), (12392, 105545), (15352, 85195), (15490, 84436), (17039, 76760), (19190, 68156), (21109, 61960), (22220, 58862), (29431, 44440), (30980, 42218), (34078, 38380)]