71390640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2729}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 223423200

約数和(自身を除く): 152032560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 2729, 3270, 4360, 5232, 5458, 6540, 8187, 8720, 10916, 13080, 13645, 16374, 21832, 26160, 27290, 32748, 40935, 43664, 54580, 65496, 81870, 109160, 130992, 163740, 218320, 297461, 327480, 594922, 654960, 892383, 1189844, 1487305, 1784766, 2379688, 2974610, 3569532, 4461915, 4759376, 5949220, 7139064, 8923830, 11898440, 14278128, 17847660, 23796880, 35695320, 71390640]

約数ペア:

[(1, 71390640), (2, 35695320), (3, 23796880), (4, 17847660), (5, 14278128), (6, 11898440), (8, 8923830), (10, 7139064), (12, 5949220), (15, 4759376), (16, 4461915), (20, 3569532), (24, 2974610), (30, 2379688), (40, 1784766), (48, 1487305), (60, 1189844), (80, 892383), (109, 654960), (120, 594922), (218, 327480), (240, 297461), (327, 218320), (436, 163740), (545, 130992), (654, 109160), (872, 81870), (1090, 65496), (1308, 54580), (1635, 43664), (1744, 40935), (2180, 32748), (2616, 27290), (2729, 26160), (3270, 21832), (4360, 16374), (5232, 13645), (5458, 13080), (6540, 10916), (8187, 8720)]