77948220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26513}}^1$

素因数の和:26539

約数の個数: 72

約数和(自身を含む): 253898064

約数和(自身を除く): 175949844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 26513, 53026, 79539, 106052, 132565, 159078, 185591, 265130, 318156, 371182, 397695, 530260, 556773, 742364, 795390, 927955, 1113546, 1299137, 1590780, 1855910, 2227092, 2598274, 2783865, 3711820, 3897411, 5196548, 5567730, 6495685, 7794822, 11135460, 12991370, 15589644, 19487055, 25982740, 38974110, 77948220]

約数ペア:

[(1, 77948220), (2, 38974110), (3, 25982740), (4, 19487055), (5, 15589644), (6, 12991370), (7, 11135460), (10, 7794822), (12, 6495685), (14, 5567730), (15, 5196548), (20, 3897411), (21, 3711820), (28, 2783865), (30, 2598274), (35, 2227092), (42, 1855910), (49, 1590780), (60, 1299137), (70, 1113546), (84, 927955), (98, 795390), (105, 742364), (140, 556773), (147, 530260), (196, 397695), (210, 371182), (245, 318156), (294, 265130), (420, 185591), (490, 159078), (588, 132565), (735, 106052), (980, 79539), (1470, 53026), (2940, 26513)]