720296780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 1896652800

約数和(自身を除く): 1176356020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 59, 62, 70, 97, 116, 118, 124, 140, 145, 155, 194, 203, 217, 236, 290, 295, 310, 388, 406, 413, 434, 485, 580, 590, 620, 679, 812, 826, 868, 899, 970, 1015, 1085, 1180, 1358, 1652, 1711, 1798, 1829, 1940, 2030, 2065, 2170, 2716, 2813, 3007, 3395, 3422, 3596, 3658, 4060, 4130, 4340, 4495, 5626, 5723, 6014, 6293, 6790, 6844, 7316, 8260, 8555, 8990, 9145, 11252, 11446, 11977, 12028, 12586, 12803, 13580, 14065, 15035, 17110, 17980, 18290, 19691, 21049, 22892, 23954, 25172, 25606, 28130, 28615, 30070, 31465, 34220, 36580, 39382, 40061, 42098, 47908, 51212, 53041, 56260, 57230, 59885, 60140, 62930, 64015, 78764, 80122, 84196, 87203, 98455, 105245, 106082, 114460, 119770, 125860, 128030, 160244, 165967, 174406, 177413, 196910, 200305, 210490, 212164, 239540, 256060, 265205, 331934, 348812, 354826, 371287, 393820, 400610, 420980, 436015, 530410, 610421, 663868, 709652, 742574, 801220, 829835, 872030, 887065, 1060820, 1161769, 1220842, 1241891, 1485148, 1659670, 1744060, 1774130, 1856435, 2323538, 2441684, 2483782, 3052105, 3319340, 3548260, 3712870, 4647076, 4967564, 5144977, 5808845, 6104210, 6209455, 7425740, 10289954, 11617690, 12208420, 12418910, 20579908, 23235380, 24837820, 25724885, 36014839, 51449770, 72029678, 102899540, 144059356, 180074195, 360148390, 720296780]

約数ペア:

[(1, 720296780), (2, 360148390), (4, 180074195), (5, 144059356), (7, 102899540), (10, 72029678), (14, 51449770), (20, 36014839), (28, 25724885), (29, 24837820), (31, 23235380), (35, 20579908), (58, 12418910), (59, 12208420), (62, 11617690), (70, 10289954), (97, 7425740), (116, 6209455), (118, 6104210), (124, 5808845), (140, 5144977), (145, 4967564), (155, 4647076), (194, 3712870), (203, 3548260), (217, 3319340), (236, 3052105), (290, 2483782), (295, 2441684), (310, 2323538), (388, 1856435), (406, 1774130), (413, 1744060), (434, 1659670), (485, 1485148), (580, 1241891), (590, 1220842), (620, 1161769), (679, 1060820), (812, 887065), (826, 872030), (868, 829835), (899, 801220), (970, 742574), (1015, 709652), (1085, 663868), (1180, 610421), (1358, 530410), (1652, 436015), (1711, 420980), (1798, 400610), (1829, 393820), (1940, 371287), (2030, 354826), (2065, 348812), (2170, 331934), (2716, 265205), (2813, 256060), (3007, 239540), (3395, 212164), (3422, 210490), (3596, 200305), (3658, 196910), (4060, 177413), (4130, 174406), (4340, 165967), (4495, 160244), (5626, 128030), (5723, 125860), (6014, 119770), (6293, 114460), (6790, 106082), (6844, 105245), (7316, 98455), (8260, 87203), (8555, 84196), (8990, 80122), (9145, 78764), (11252, 64015), (11446, 62930), (11977, 60140), (12028, 59885), (12586, 57230), (12803, 56260), (13580, 53041), (14065, 51212), (15035, 47908), (17110, 42098), (17980, 40061), (18290, 39382), (19691, 36580), (21049, 34220), (22892, 31465), (23954, 30070), (25172, 28615), (25606, 28130)]