12889980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3803

約数の個数: 72

約数和(自身を含む): 41168400

約数和(自身を除く): 28278420

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, 3769, 7538, 11307, 15076, 18845, 22614, 33921, 37690, 45228, 56535, 67842, 71611, 75380, 113070, 135684, 143222, 169605, 214833, 226140, 286444, 339210, 358055, 429666, 644499, 678420, 716110, 859332, 1074165, 1288998, 1432220, 2148330, 2577996, 3222495, 4296660, 6444990, 12889980]

約数ペア:

[(1, 12889980), (2, 6444990), (3, 4296660), (4, 3222495), (5, 2577996), (6, 2148330), (9, 1432220), (10, 1288998), (12, 1074165), (15, 859332), (18, 716110), (19, 678420), (20, 644499), (30, 429666), (36, 358055), (38, 339210), (45, 286444), (57, 226140), (60, 214833), (76, 169605), (90, 143222), (95, 135684), (114, 113070), (171, 75380), (180, 71611), (190, 67842), (228, 56535), (285, 45228), (342, 37690), (380, 33921), (570, 22614), (684, 18845), (855, 15076), (1140, 11307), (1710, 7538), (3420, 3769)]