71231200

素因数分解:

$2^5\times 5^2\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 175066920

約数和(自身を除く): 103835720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 269, 331, 400, 538, 662, 800, 1076, 1324, 1345, 1655, 2152, 2648, 2690, 3310, 4304, 5296, 5380, 6620, 6725, 8275, 8608, 10592, 10760, 13240, 13450, 16550, 21520, 26480, 26900, 33100, 43040, 52960, 53800, 66200, 89039, 107600, 132400, 178078, 215200, 264800, 356156, 445195, 712312, 890390, 1424624, 1780780, 2225975, 2849248, 3561560, 4451950, 7123120, 8903900, 14246240, 17807800, 35615600, 71231200]

約数ペア:

[(1, 71231200), (2, 35615600), (4, 17807800), (5, 14246240), (8, 8903900), (10, 7123120), (16, 4451950), (20, 3561560), (25, 2849248), (32, 2225975), (40, 1780780), (50, 1424624), (80, 890390), (100, 712312), (160, 445195), (200, 356156), (269, 264800), (331, 215200), (400, 178078), (538, 132400), (662, 107600), (800, 89039), (1076, 66200), (1324, 53800), (1345, 52960), (1655, 43040), (2152, 33100), (2648, 26900), (2690, 26480), (3310, 21520), (4304, 16550), (5296, 13450), (5380, 13240), (6620, 10760), (6725, 10592), (8275, 8608)]