812462720

素因数分解:

$2^7\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1471}}^1$

素因数の和:2353

約数の個数: 64

約数和(自身を含む): 1945866240

約数和(自身を除く): 1133403520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 863, 1471, 1726, 2942, 3452, 4315, 5884, 6904, 7355, 8630, 11768, 13808, 14710, 17260, 23536, 27616, 29420, 34520, 47072, 55232, 58840, 69040, 94144, 110464, 117680, 138080, 188288, 235360, 276160, 470720, 552320, 941440, 1269473, 2538946, 5077892, 6347365, 10155784, 12694730, 20311568, 25389460, 40623136, 50778920, 81246272, 101557840, 162492544, 203115680, 406231360, 812462720]

約数ペア:

[(1, 812462720), (2, 406231360), (4, 203115680), (5, 162492544), (8, 101557840), (10, 81246272), (16, 50778920), (20, 40623136), (32, 25389460), (40, 20311568), (64, 12694730), (80, 10155784), (128, 6347365), (160, 5077892), (320, 2538946), (640, 1269473), (863, 941440), (1471, 552320), (1726, 470720), (2942, 276160), (3452, 235360), (4315, 188288), (5884, 138080), (6904, 117680), (7355, 110464), (8630, 94144), (11768, 69040), (13808, 58840), (14710, 55232), (17260, 47072), (23536, 34520), (27616, 29420)]