12212820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3605

約数の個数: 72

約数和(自身を含む): 39006240

約数和(自身を除く): 26793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3571, 7142, 10713, 14284, 17855, 21426, 32139, 35710, 42852, 53565, 64278, 67849, 71420, 107130, 128556, 135698, 160695, 203547, 214260, 271396, 321390, 339245, 407094, 610641, 642780, 678490, 814188, 1017735, 1221282, 1356980, 2035470, 2442564, 3053205, 4070940, 6106410, 12212820]

約数ペア:

[(1, 12212820), (2, 6106410), (3, 4070940), (4, 3053205), (5, 2442564), (6, 2035470), (9, 1356980), (10, 1221282), (12, 1017735), (15, 814188), (18, 678490), (19, 642780), (20, 610641), (30, 407094), (36, 339245), (38, 321390), (45, 271396), (57, 214260), (60, 203547), (76, 160695), (90, 135698), (95, 128556), (114, 107130), (171, 71420), (180, 67849), (190, 64278), (228, 53565), (285, 42852), (342, 35710), (380, 32139), (570, 21426), (684, 17855), (855, 14284), (1140, 10713), (1710, 7142), (3420, 3571)]