717838480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7823}}^1$

素因数の和:7904

約数の個数: 80

約数和(自身を含む): 1769601024

約数和(自身を除く): 1051762544

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, 740, 1147, 1240, 1480, 2294, 2480, 2960, 4588, 5735, 7823, 9176, 11470, 15646, 18352, 22940, 31292, 39115, 45880, 62584, 78230, 91760, 125168, 156460, 242513, 289451, 312920, 485026, 578902, 625840, 970052, 1157804, 1212565, 1447255, 1940104, 2315608, 2425130, 2894510, 3880208, 4631216, 4850260, 5789020, 8972981, 9700520, 11578040, 17945962, 19401040, 23156080, 35891924, 44864905, 71783848, 89729810, 143567696, 179459620, 358919240, 717838480]

約数ペア:

[(1, 717838480), (2, 358919240), (4, 179459620), (5, 143567696), (8, 89729810), (10, 71783848), (16, 44864905), (20, 35891924), (31, 23156080), (37, 19401040), (40, 17945962), (62, 11578040), (74, 9700520), (80, 8972981), (124, 5789020), (148, 4850260), (155, 4631216), (185, 3880208), (248, 2894510), (296, 2425130), (310, 2315608), (370, 1940104), (496, 1447255), (592, 1212565), (620, 1157804), (740, 970052), (1147, 625840), (1240, 578902), (1480, 485026), (2294, 312920), (2480, 289451), (2960, 242513), (4588, 156460), (5735, 125168), (7823, 91760), (9176, 78230), (11470, 62584), (15646, 45880), (18352, 39115), (22940, 31292)]