287907120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399871}}^1$

素因数の和:399890

約数の個数: 60

約数和(自身を含む): 966890496

約数和(自身を除く): 678983376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 399871, 799742, 1199613, 1599484, 1999355, 2399226, 3198968, 3598839, 3998710, 4798452, 5998065, 6397936, 7197678, 7997420, 9596904, 11996130, 14395356, 15994840, 17994195, 19193808, 23992260, 28790712, 31989680, 35988390, 47984520, 57581424, 71976780, 95969040, 143953560, 287907120]

約数ペア:

[(1, 287907120), (2, 143953560), (3, 95969040), (4, 71976780), (5, 57581424), (6, 47984520), (8, 35988390), (9, 31989680), (10, 28790712), (12, 23992260), (15, 19193808), (16, 17994195), (18, 15994840), (20, 14395356), (24, 11996130), (30, 9596904), (36, 7997420), (40, 7197678), (45, 6397936), (48, 5998065), (60, 4798452), (72, 3998710), (80, 3598839), (90, 3198968), (120, 2399226), (144, 1999355), (180, 1599484), (240, 1199613), (360, 799742), (720, 399871)]