71526780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 250629120

約数和(自身を除く): 179102340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 90, 92, 108, 115, 117, 130, 135, 138, 156, 180, 195, 207, 230, 234, 260, 270, 276, 299, 345, 351, 390, 414, 443, 460, 468, 540, 585, 598, 621, 690, 702, 780, 828, 886, 897, 1035, 1170, 1196, 1242, 1329, 1380, 1404, 1495, 1755, 1772, 1794, 2070, 2215, 2340, 2484, 2658, 2691, 2990, 3105, 3510, 3588, 3987, 4140, 4430, 4485, 5316, 5382, 5759, 5980, 6210, 6645, 7020, 7974, 8073, 8860, 8970, 10189, 10764, 11518, 11961, 12420, 13290, 13455, 15948, 16146, 17277, 17940, 19935, 20378, 23036, 23922, 26580, 26910, 28795, 30567, 32292, 34554, 39870, 40365, 40756, 47844, 50945, 51831, 53820, 57590, 59805, 61134, 69108, 79740, 80730, 86385, 91701, 101890, 103662, 115180, 119610, 122268, 132457, 152835, 155493, 161460, 172770, 183402, 203780, 207324, 239220, 259155, 264914, 275103, 305670, 310986, 345540, 366804, 397371, 458505, 518310, 529828, 550206, 611340, 621972, 662285, 777465, 794742, 917010, 1036620, 1100412, 1192113, 1324570, 1375515, 1554930, 1589484, 1834020, 1986855, 2384226, 2649140, 2751030, 3109860, 3576339, 3973710, 4768452, 5502060, 5960565, 7152678, 7947420, 11921130, 14305356, 17881695, 23842260, 35763390, 71526780]

約数ペア:

[(1, 71526780), (2, 35763390), (3, 23842260), (4, 17881695), (5, 14305356), (6, 11921130), (9, 7947420), (10, 7152678), (12, 5960565), (13, 5502060), (15, 4768452), (18, 3973710), (20, 3576339), (23, 3109860), (26, 2751030), (27, 2649140), (30, 2384226), (36, 1986855), (39, 1834020), (45, 1589484), (46, 1554930), (52, 1375515), (54, 1324570), (60, 1192113), (65, 1100412), (69, 1036620), (78, 917010), (90, 794742), (92, 777465), (108, 662285), (115, 621972), (117, 611340), (130, 550206), (135, 529828), (138, 518310), (156, 458505), (180, 397371), (195, 366804), (207, 345540), (230, 310986), (234, 305670), (260, 275103), (270, 264914), (276, 259155), (299, 239220), (345, 207324), (351, 203780), (390, 183402), (414, 172770), (443, 161460), (460, 155493), (468, 152835), (540, 132457), (585, 122268), (598, 119610), (621, 115180), (690, 103662), (702, 101890), (780, 91701), (828, 86385), (886, 80730), (897, 79740), (1035, 69108), (1170, 61134), (1196, 59805), (1242, 57590), (1329, 53820), (1380, 51831), (1404, 50945), (1495, 47844), (1755, 40756), (1772, 40365), (1794, 39870), (2070, 34554), (2215, 32292), (2340, 30567), (2484, 28795), (2658, 26910), (2691, 26580), (2990, 23922), (3105, 23036), (3510, 20378), (3588, 19935), (3987, 17940), (4140, 17277), (4430, 16146), (4485, 15948), (5316, 13455), (5382, 13290), (5759, 12420), (5980, 11961), (6210, 11518), (6645, 10764), (7020, 10189), (7974, 8970), (8073, 8860)]