128563380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2294

約数の個数: 144

約数和(自身を含む): 440294400

約数和(自身を除く): 311731020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2239, 2610, 2871, 3190, 3828, 4478, 4785, 5220, 5742, 6380, 6717, 8956, 9570, 11195, 11484, 13434, 14355, 19140, 20151, 22390, 24629, 26868, 28710, 33585, 40302, 44780, 49258, 57420, 64931, 67170, 73887, 80604, 98516, 100755, 123145, 129862, 134340, 147774, 194793, 201510, 221661, 246290, 259724, 295548, 324655, 369435, 389586, 403020, 443322, 492580, 584379, 649310, 714241, 738870, 779172, 886644, 973965, 1108305, 1168758, 1298620, 1428482, 1477740, 1947930, 2142723, 2216610, 2337516, 2856964, 2921895, 3571205, 3895860, 4285446, 4433220, 5843790, 6428169, 7142410, 8570892, 10713615, 11687580, 12856338, 14284820, 21427230, 25712676, 32140845, 42854460, 64281690, 128563380]

約数ペア:

[(1, 128563380), (2, 64281690), (3, 42854460), (4, 32140845), (5, 25712676), (6, 21427230), (9, 14284820), (10, 12856338), (11, 11687580), (12, 10713615), (15, 8570892), (18, 7142410), (20, 6428169), (22, 5843790), (29, 4433220), (30, 4285446), (33, 3895860), (36, 3571205), (44, 2921895), (45, 2856964), (55, 2337516), (58, 2216610), (60, 2142723), (66, 1947930), (87, 1477740), (90, 1428482), (99, 1298620), (110, 1168758), (116, 1108305), (132, 973965), (145, 886644), (165, 779172), (174, 738870), (180, 714241), (198, 649310), (220, 584379), (261, 492580), (290, 443322), (319, 403020), (330, 389586), (348, 369435), (396, 324655), (435, 295548), (495, 259724), (522, 246290), (580, 221661), (638, 201510), (660, 194793), (870, 147774), (957, 134340), (990, 129862), (1044, 123145), (1276, 100755), (1305, 98516), (1595, 80604), (1740, 73887), (1914, 67170), (1980, 64931), (2239, 57420), (2610, 49258), (2871, 44780), (3190, 40302), (3828, 33585), (4478, 28710), (4785, 26868), (5220, 24629), (5742, 22390), (6380, 20151), (6717, 19140), (8956, 14355), (9570, 13434), (11195, 11484)]