67810640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 167370240

約数和(自身を除く): 99559600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 739, 740, 1147, 1240, 1478, 1480, 2294, 2480, 2956, 2960, 3695, 4588, 5735, 5912, 7390, 9176, 11470, 11824, 14780, 18352, 22909, 22940, 27343, 29560, 45818, 45880, 54686, 59120, 91636, 91760, 109372, 114545, 136715, 183272, 218744, 229090, 273430, 366544, 437488, 458180, 546860, 847633, 916360, 1093720, 1695266, 1832720, 2187440, 3390532, 4238165, 6781064, 8476330, 13562128, 16952660, 33905320, 67810640]

約数ペア:

[(1, 67810640), (2, 33905320), (4, 16952660), (5, 13562128), (8, 8476330), (10, 6781064), (16, 4238165), (20, 3390532), (31, 2187440), (37, 1832720), (40, 1695266), (62, 1093720), (74, 916360), (80, 847633), (124, 546860), (148, 458180), (155, 437488), (185, 366544), (248, 273430), (296, 229090), (310, 218744), (370, 183272), (496, 136715), (592, 114545), (620, 109372), (739, 91760), (740, 91636), (1147, 59120), (1240, 54686), (1478, 45880), (1480, 45818), (2294, 29560), (2480, 27343), (2956, 22940), (2960, 22909), (3695, 18352), (4588, 14780), (5735, 11824), (5912, 11470), (7390, 9176)]