71818240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 132

約数和(自身を含む): 188798904

約数和(自身を除く): 116980664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 169, 208, 256, 260, 320, 332, 338, 415, 416, 512, 520, 640, 664, 676, 830, 832, 845, 1024, 1040, 1079, 1280, 1328, 1352, 1660, 1664, 1690, 2080, 2158, 2560, 2656, 2704, 3320, 3328, 3380, 4160, 4316, 5120, 5312, 5395, 5408, 6640, 6656, 6760, 8320, 8632, 10624, 10790, 10816, 13280, 13312, 13520, 14027, 16640, 17264, 21248, 21580, 21632, 26560, 27040, 28054, 33280, 34528, 42496, 43160, 43264, 53120, 54080, 56108, 66560, 69056, 70135, 84992, 86320, 86528, 106240, 108160, 112216, 138112, 140270, 172640, 173056, 212480, 216320, 224432, 276224, 280540, 345280, 424960, 432640, 448864, 552448, 561080, 690560, 865280, 897728, 1104896, 1122160, 1381120, 1795456, 2244320, 2762240, 3590912, 4488640, 5524480, 7181824, 8977280, 14363648, 17954560, 35909120, 71818240]

約数ペア:

[(1, 71818240), (2, 35909120), (4, 17954560), (5, 14363648), (8, 8977280), (10, 7181824), (13, 5524480), (16, 4488640), (20, 3590912), (26, 2762240), (32, 2244320), (40, 1795456), (52, 1381120), (64, 1122160), (65, 1104896), (80, 897728), (83, 865280), (104, 690560), (128, 561080), (130, 552448), (160, 448864), (166, 432640), (169, 424960), (208, 345280), (256, 280540), (260, 276224), (320, 224432), (332, 216320), (338, 212480), (415, 173056), (416, 172640), (512, 140270), (520, 138112), (640, 112216), (664, 108160), (676, 106240), (830, 86528), (832, 86320), (845, 84992), (1024, 70135), (1040, 69056), (1079, 66560), (1280, 56108), (1328, 54080), (1352, 53120), (1660, 43264), (1664, 43160), (1690, 42496), (2080, 34528), (2158, 33280), (2560, 28054), (2656, 27040), (2704, 26560), (3320, 21632), (3328, 21580), (3380, 21248), (4160, 17264), (4316, 16640), (5120, 14027), (5312, 13520), (5395, 13312), (5408, 13280), (6640, 10816), (6656, 10790), (6760, 10624), (8320, 8632)]