85904320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 219456000

約数和(自身を除く): 133551680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 142, 152, 160, 190, 199, 284, 304, 320, 355, 380, 398, 568, 608, 710, 760, 796, 995, 1136, 1216, 1349, 1420, 1520, 1592, 1990, 2272, 2698, 2840, 3040, 3184, 3781, 3980, 4544, 5396, 5680, 6080, 6368, 6745, 7562, 7960, 10792, 11360, 12736, 13490, 14129, 15124, 15920, 18905, 21584, 22720, 26980, 28258, 30248, 31840, 37810, 43168, 53960, 56516, 60496, 63680, 70645, 75620, 86336, 107920, 113032, 120992, 141290, 151240, 215840, 226064, 241984, 268451, 282580, 302480, 431680, 452128, 536902, 565160, 604960, 904256, 1073804, 1130320, 1209920, 1342255, 2147608, 2260640, 2684510, 4295216, 4521280, 5369020, 8590432, 10738040, 17180864, 21476080, 42952160, 85904320]

約数ペア:

[(1, 85904320), (2, 42952160), (4, 21476080), (5, 17180864), (8, 10738040), (10, 8590432), (16, 5369020), (19, 4521280), (20, 4295216), (32, 2684510), (38, 2260640), (40, 2147608), (64, 1342255), (71, 1209920), (76, 1130320), (80, 1073804), (95, 904256), (142, 604960), (152, 565160), (160, 536902), (190, 452128), (199, 431680), (284, 302480), (304, 282580), (320, 268451), (355, 241984), (380, 226064), (398, 215840), (568, 151240), (608, 141290), (710, 120992), (760, 113032), (796, 107920), (995, 86336), (1136, 75620), (1216, 70645), (1349, 63680), (1420, 60496), (1520, 56516), (1592, 53960), (1990, 43168), (2272, 37810), (2698, 31840), (2840, 30248), (3040, 28258), (3184, 26980), (3781, 22720), (3980, 21584), (4544, 18905), (5396, 15920), (5680, 15124), (6080, 14129), (6368, 13490), (6745, 12736), (7562, 11360), (7960, 10792)]