72722560

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 175032000

約数和(自身を除く): 102309440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 571, 640, 796, 995, 1142, 1592, 1990, 2284, 2855, 3184, 3980, 4568, 5710, 6368, 7960, 9136, 11420, 12736, 15920, 18272, 22840, 25472, 31840, 36544, 45680, 63680, 73088, 91360, 113629, 127360, 182720, 227258, 365440, 454516, 568145, 909032, 1136290, 1818064, 2272580, 3636128, 4545160, 7272256, 9090320, 14544512, 18180640, 36361280, 72722560]

約数ペア:

[(1, 72722560), (2, 36361280), (4, 18180640), (5, 14544512), (8, 9090320), (10, 7272256), (16, 4545160), (20, 3636128), (32, 2272580), (40, 1818064), (64, 1136290), (80, 909032), (128, 568145), (160, 454516), (199, 365440), (320, 227258), (398, 182720), (571, 127360), (640, 113629), (796, 91360), (995, 73088), (1142, 63680), (1592, 45680), (1990, 36544), (2284, 31840), (2855, 25472), (3184, 22840), (3980, 18272), (4568, 15920), (5710, 12736), (6368, 11420), (7960, 9136)]