71385280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 182880000

約数和(自身を除く): 111494720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 64, 76, 80, 95, 118, 152, 160, 190, 199, 236, 295, 304, 320, 380, 398, 472, 590, 608, 760, 796, 944, 995, 1121, 1180, 1216, 1520, 1592, 1888, 1990, 2242, 2360, 3040, 3184, 3776, 3781, 3980, 4484, 4720, 5605, 6080, 6368, 7562, 7960, 8968, 9440, 11210, 11741, 12736, 15124, 15920, 17936, 18880, 18905, 22420, 23482, 30248, 31840, 35872, 37810, 44840, 46964, 58705, 60496, 63680, 71744, 75620, 89680, 93928, 117410, 120992, 151240, 179360, 187856, 223079, 234820, 241984, 302480, 358720, 375712, 446158, 469640, 604960, 751424, 892316, 939280, 1115395, 1209920, 1784632, 1878560, 2230790, 3569264, 3757120, 4461580, 7138528, 8923160, 14277056, 17846320, 35692640, 71385280]

約数ペア:

[(1, 71385280), (2, 35692640), (4, 17846320), (5, 14277056), (8, 8923160), (10, 7138528), (16, 4461580), (19, 3757120), (20, 3569264), (32, 2230790), (38, 1878560), (40, 1784632), (59, 1209920), (64, 1115395), (76, 939280), (80, 892316), (95, 751424), (118, 604960), (152, 469640), (160, 446158), (190, 375712), (199, 358720), (236, 302480), (295, 241984), (304, 234820), (320, 223079), (380, 187856), (398, 179360), (472, 151240), (590, 120992), (608, 117410), (760, 93928), (796, 89680), (944, 75620), (995, 71744), (1121, 63680), (1180, 60496), (1216, 58705), (1520, 46964), (1592, 44840), (1888, 37810), (1990, 35872), (2242, 31840), (2360, 30248), (3040, 23482), (3184, 22420), (3776, 18905), (3781, 18880), (3980, 17936), (4484, 15920), (4720, 15124), (5605, 12736), (6080, 11741), (6368, 11210), (7562, 9440), (7960, 8968)]