72223760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128971}}^1$

素因数の和:128991

約数の個数: 40

約数和(自身を含む): 191910336

約数和(自身を除く): 119686576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128971, 257942, 515884, 644855, 902797, 1031768, 1289710, 1805594, 2063536, 2579420, 3611188, 4513985, 5158840, 7222376, 9027970, 10317680, 14444752, 18055940, 36111880, 72223760]

約数ペア:

[(1, 72223760), (2, 36111880), (4, 18055940), (5, 14444752), (7, 10317680), (8, 9027970), (10, 7222376), (14, 5158840), (16, 4513985), (20, 3611188), (28, 2579420), (35, 2063536), (40, 1805594), (56, 1289710), (70, 1031768), (80, 902797), (112, 644855), (140, 515884), (280, 257942), (560, 128971)]