30854840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 73072800

約数和(自身を除く): 42217960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 397, 536, 580, 670, 794, 1160, 1340, 1588, 1943, 1985, 2680, 3176, 3886, 3970, 7772, 7940, 9715, 11513, 15544, 15880, 19430, 23026, 26599, 38860, 46052, 53198, 57565, 77720, 92104, 106396, 115130, 132995, 212792, 230260, 265990, 460520, 531980, 771371, 1063960, 1542742, 3085484, 3856855, 6170968, 7713710, 15427420, 30854840]

約数ペア:

[(1, 30854840), (2, 15427420), (4, 7713710), (5, 6170968), (8, 3856855), (10, 3085484), (20, 1542742), (29, 1063960), (40, 771371), (58, 531980), (67, 460520), (116, 265990), (134, 230260), (145, 212792), (232, 132995), (268, 115130), (290, 106396), (335, 92104), (397, 77720), (536, 57565), (580, 53198), (670, 46052), (794, 38860), (1160, 26599), (1340, 23026), (1588, 19430), (1943, 15880), (1985, 15544), (2680, 11513), (3176, 9715), (3886, 7940), (3970, 7772)]