12781620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4177}}^1$

素因数の和:4209

約数の個数: 72

約数和(自身を含む): 41061384

約数和(自身を除く): 28279764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 4177, 8354, 12531, 16708, 20885, 25062, 37593, 41770, 50124, 62655, 71009, 75186, 83540, 125310, 142018, 150372, 187965, 213027, 250620, 284036, 355045, 375930, 426054, 639081, 710090, 751860, 852108, 1065135, 1278162, 1420180, 2130270, 2556324, 3195405, 4260540, 6390810, 12781620]

約数ペア:

[(1, 12781620), (2, 6390810), (3, 4260540), (4, 3195405), (5, 2556324), (6, 2130270), (9, 1420180), (10, 1278162), (12, 1065135), (15, 852108), (17, 751860), (18, 710090), (20, 639081), (30, 426054), (34, 375930), (36, 355045), (45, 284036), (51, 250620), (60, 213027), (68, 187965), (85, 150372), (90, 142018), (102, 125310), (153, 83540), (170, 75186), (180, 71009), (204, 62655), (255, 50124), (306, 41770), (340, 37593), (510, 25062), (612, 20885), (765, 16708), (1020, 12531), (1530, 8354), (3060, 4177)]