427648720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172439}}^1$

素因数の和:172483

約数の個数: 40

約数和(自身を含む): 1026362880

約数和(自身を除く): 598714160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 172439, 344878, 689756, 862195, 1379512, 1724390, 2759024, 3448780, 5345609, 6897560, 10691218, 13795120, 21382436, 26728045, 42764872, 53456090, 85529744, 106912180, 213824360, 427648720]

約数ペア:

[(1, 427648720), (2, 213824360), (4, 106912180), (5, 85529744), (8, 53456090), (10, 42764872), (16, 26728045), (20, 21382436), (31, 13795120), (40, 10691218), (62, 6897560), (80, 5345609), (124, 3448780), (155, 2759024), (248, 1724390), (310, 1379512), (496, 862195), (620, 689756), (1240, 344878), (2480, 172439)]