145445120

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 350750400

約数和(自身を除く): 205305280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 571, 640, 796, 995, 1142, 1280, 1592, 1990, 2284, 2855, 3184, 3980, 4568, 5710, 6368, 7960, 9136, 11420, 12736, 15920, 18272, 22840, 25472, 31840, 36544, 45680, 50944, 63680, 73088, 91360, 113629, 127360, 146176, 182720, 227258, 254720, 365440, 454516, 568145, 730880, 909032, 1136290, 1818064, 2272580, 3636128, 4545160, 7272256, 9090320, 14544512, 18180640, 29089024, 36361280, 72722560, 145445120]

約数ペア:

[(1, 145445120), (2, 72722560), (4, 36361280), (5, 29089024), (8, 18180640), (10, 14544512), (16, 9090320), (20, 7272256), (32, 4545160), (40, 3636128), (64, 2272580), (80, 1818064), (128, 1136290), (160, 909032), (199, 730880), (256, 568145), (320, 454516), (398, 365440), (571, 254720), (640, 227258), (796, 182720), (995, 146176), (1142, 127360), (1280, 113629), (1592, 91360), (1990, 73088), (2284, 63680), (2855, 50944), (3184, 45680), (3980, 36544), (4568, 31840), (5710, 25472), (6368, 22840), (7960, 18272), (9136, 15920), (11420, 12736)]