15590820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5303}}^1$

素因数の和:5329

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 35200284

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, 5303, 10606, 15909, 21212, 26515, 31818, 37121, 53030, 63636, 74242, 79545, 106060, 111363, 148484, 159090, 185605, 222726, 259847, 318180, 371210, 445452, 519694, 556815, 742420, 779541, 1039388, 1113630, 1299235, 1559082, 2227260, 2598470, 3118164, 3897705, 5196940, 7795410, 15590820]

約数ペア:

[(1, 15590820), (2, 7795410), (3, 5196940), (4, 3897705), (5, 3118164), (6, 2598470), (7, 2227260), (10, 1559082), (12, 1299235), (14, 1113630), (15, 1039388), (20, 779541), (21, 742420), (28, 556815), (30, 519694), (35, 445452), (42, 371210), (49, 318180), (60, 259847), (70, 222726), (84, 185605), (98, 159090), (105, 148484), (140, 111363), (147, 106060), (196, 79545), (210, 74242), (245, 63636), (294, 53030), (420, 37121), (490, 31818), (588, 26515), (735, 21212), (980, 15909), (1470, 10606), (2940, 5303)]