421934720

素因数分解:

$2^7\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1171}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 1011342240

約数和(自身を除く): 589407520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 563, 640, 1126, 1171, 2252, 2342, 2815, 4504, 4684, 5630, 5855, 9008, 9368, 11260, 11710, 18016, 18736, 22520, 23420, 36032, 37472, 45040, 46840, 72064, 74944, 90080, 93680, 149888, 180160, 187360, 360320, 374720, 659273, 749440, 1318546, 2637092, 3296365, 5274184, 6592730, 10548368, 13185460, 21096736, 26370920, 42193472, 52741840, 84386944, 105483680, 210967360, 421934720]

約数ペア:

[(1, 421934720), (2, 210967360), (4, 105483680), (5, 84386944), (8, 52741840), (10, 42193472), (16, 26370920), (20, 21096736), (32, 13185460), (40, 10548368), (64, 6592730), (80, 5274184), (128, 3296365), (160, 2637092), (320, 1318546), (563, 749440), (640, 659273), (1126, 374720), (1171, 360320), (2252, 187360), (2342, 180160), (2815, 149888), (4504, 93680), (4684, 90080), (5630, 74944), (5855, 72064), (9008, 46840), (9368, 45040), (11260, 37472), (11710, 36032), (18016, 23420), (18736, 22520)]