71007660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 227485440

約数和(自身を除く): 156477780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 116, 122, 145, 174, 180, 183, 223, 244, 261, 290, 305, 348, 366, 435, 446, 522, 549, 580, 610, 669, 732, 870, 892, 915, 1044, 1098, 1115, 1220, 1305, 1338, 1740, 1769, 1830, 2007, 2196, 2230, 2610, 2676, 2745, 3345, 3538, 3660, 4014, 4460, 5220, 5307, 5490, 6467, 6690, 7076, 8028, 8845, 10035, 10614, 10980, 12934, 13380, 13603, 15921, 17690, 19401, 20070, 21228, 25868, 26535, 27206, 31842, 32335, 35380, 38802, 40140, 40809, 53070, 54412, 58203, 63684, 64670, 68015, 77604, 79605, 81618, 97005, 106140, 116406, 122427, 129340, 136030, 159210, 163236, 194010, 204045, 232812, 244854, 272060, 291015, 318420, 388020, 394487, 408090, 489708, 582030, 612135, 788974, 816180, 1164060, 1183461, 1224270, 1577948, 1972435, 2366922, 2448540, 3550383, 3944870, 4733844, 5917305, 7100766, 7889740, 11834610, 14201532, 17751915, 23669220, 35503830, 71007660]

約数ペア:

[(1, 71007660), (2, 35503830), (3, 23669220), (4, 17751915), (5, 14201532), (6, 11834610), (9, 7889740), (10, 7100766), (12, 5917305), (15, 4733844), (18, 3944870), (20, 3550383), (29, 2448540), (30, 2366922), (36, 1972435), (45, 1577948), (58, 1224270), (60, 1183461), (61, 1164060), (87, 816180), (90, 788974), (116, 612135), (122, 582030), (145, 489708), (174, 408090), (180, 394487), (183, 388020), (223, 318420), (244, 291015), (261, 272060), (290, 244854), (305, 232812), (348, 204045), (366, 194010), (435, 163236), (446, 159210), (522, 136030), (549, 129340), (580, 122427), (610, 116406), (669, 106140), (732, 97005), (870, 81618), (892, 79605), (915, 77604), (1044, 68015), (1098, 64670), (1115, 63684), (1220, 58203), (1305, 54412), (1338, 53070), (1740, 40809), (1769, 40140), (1830, 38802), (2007, 35380), (2196, 32335), (2230, 31842), (2610, 27206), (2676, 26535), (2745, 25868), (3345, 21228), (3538, 20070), (3660, 19401), (4014, 17690), (4460, 15921), (5220, 13603), (5307, 13380), (5490, 12934), (6467, 10980), (6690, 10614), (7076, 10035), (8028, 8845)]