90888280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 248647680

約数和(自身を除く): 157759400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 283, 296, 310, 370, 434, 518, 566, 620, 740, 868, 1036, 1085, 1132, 1147, 1240, 1295, 1415, 1480, 1736, 1981, 2072, 2170, 2264, 2294, 2590, 2830, 3962, 4340, 4588, 5180, 5660, 5735, 7924, 8029, 8680, 8773, 9176, 9905, 10360, 10471, 11320, 11470, 15848, 16058, 17546, 19810, 20942, 22940, 32116, 35092, 39620, 40145, 41884, 43865, 45880, 52355, 61411, 64232, 70184, 73297, 79240, 80290, 83768, 87730, 104710, 122822, 146594, 160580, 175460, 209420, 245644, 293188, 307055, 321160, 324601, 350920, 366485, 418840, 491288, 586376, 614110, 649202, 732970, 1228220, 1298404, 1465940, 1623005, 2272207, 2456440, 2596808, 2931880, 3246010, 4544414, 6492020, 9088828, 11361035, 12984040, 18177656, 22722070, 45444140, 90888280]

約数ペア:

[(1, 90888280), (2, 45444140), (4, 22722070), (5, 18177656), (7, 12984040), (8, 11361035), (10, 9088828), (14, 6492020), (20, 4544414), (28, 3246010), (31, 2931880), (35, 2596808), (37, 2456440), (40, 2272207), (56, 1623005), (62, 1465940), (70, 1298404), (74, 1228220), (124, 732970), (140, 649202), (148, 614110), (155, 586376), (185, 491288), (217, 418840), (248, 366485), (259, 350920), (280, 324601), (283, 321160), (296, 307055), (310, 293188), (370, 245644), (434, 209420), (518, 175460), (566, 160580), (620, 146594), (740, 122822), (868, 104710), (1036, 87730), (1085, 83768), (1132, 80290), (1147, 79240), (1240, 73297), (1295, 70184), (1415, 64232), (1480, 61411), (1736, 52355), (1981, 45880), (2072, 43865), (2170, 41884), (2264, 40145), (2294, 39620), (2590, 35092), (2830, 32116), (3962, 22940), (4340, 20942), (4588, 19810), (5180, 17546), (5660, 16058), (5735, 15848), (7924, 11470), (8029, 11320), (8680, 10471), (8773, 10360), (9176, 9905)]