79963020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 258935040

約数和(自身を除く): 178972020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 103, 114, 171, 180, 190, 206, 227, 228, 285, 309, 342, 380, 412, 454, 515, 570, 618, 681, 684, 855, 908, 927, 1030, 1135, 1140, 1236, 1362, 1545, 1710, 1854, 1957, 2043, 2060, 2270, 2724, 3090, 3405, 3420, 3708, 3914, 4086, 4313, 4540, 4635, 5871, 6180, 6810, 7828, 8172, 8626, 9270, 9785, 10215, 11742, 12939, 13620, 17252, 17613, 18540, 19570, 20430, 21565, 23381, 23484, 25878, 29355, 35226, 38817, 39140, 40860, 43130, 46762, 51756, 58710, 64695, 70143, 70452, 77634, 86260, 88065, 93524, 116905, 117420, 129390, 140286, 155268, 176130, 194085, 210429, 233810, 258780, 280572, 350715, 352260, 388170, 420858, 444239, 467620, 701430, 776340, 841716, 888478, 1052145, 1332717, 1402860, 1776956, 2104290, 2221195, 2665434, 3998151, 4208580, 4442390, 5330868, 6663585, 7996302, 8884780, 13327170, 15992604, 19990755, 26654340, 39981510, 79963020]

約数ペア:

[(1, 79963020), (2, 39981510), (3, 26654340), (4, 19990755), (5, 15992604), (6, 13327170), (9, 8884780), (10, 7996302), (12, 6663585), (15, 5330868), (18, 4442390), (19, 4208580), (20, 3998151), (30, 2665434), (36, 2221195), (38, 2104290), (45, 1776956), (57, 1402860), (60, 1332717), (76, 1052145), (90, 888478), (95, 841716), (103, 776340), (114, 701430), (171, 467620), (180, 444239), (190, 420858), (206, 388170), (227, 352260), (228, 350715), (285, 280572), (309, 258780), (342, 233810), (380, 210429), (412, 194085), (454, 176130), (515, 155268), (570, 140286), (618, 129390), (681, 117420), (684, 116905), (855, 93524), (908, 88065), (927, 86260), (1030, 77634), (1135, 70452), (1140, 70143), (1236, 64695), (1362, 58710), (1545, 51756), (1710, 46762), (1854, 43130), (1957, 40860), (2043, 39140), (2060, 38817), (2270, 35226), (2724, 29355), (3090, 25878), (3405, 23484), (3420, 23381), (3708, 21565), (3914, 20430), (4086, 19570), (4313, 18540), (4540, 17613), (4635, 17252), (5871, 13620), (6180, 12939), (6810, 11742), (7828, 10215), (8172, 9785), (8626, 9270)]