128208420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2729}}^1$

素因数の和:2779

約数の個数: 120

約数和(自身を含む): 416215800

約数和(自身を除く): 288007380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 783, 810, 870, 1044, 1305, 1566, 1620, 1740, 2349, 2610, 2729, 3132, 3915, 4698, 5220, 5458, 7830, 8187, 9396, 10916, 11745, 13645, 15660, 16374, 23490, 24561, 27290, 32748, 40935, 46980, 49122, 54580, 73683, 79141, 81870, 98244, 122805, 147366, 158282, 163740, 221049, 237423, 245610, 294732, 316564, 368415, 395705, 442098, 474846, 491220, 712269, 736830, 791410, 884196, 949692, 1105245, 1187115, 1424538, 1473660, 1582820, 2136807, 2210490, 2374230, 2849076, 3561345, 4273614, 4420980, 4748460, 6410421, 7122690, 8547228, 10684035, 12820842, 14245380, 21368070, 25641684, 32052105, 42736140, 64104210, 128208420]

約数ペア:

[(1, 128208420), (2, 64104210), (3, 42736140), (4, 32052105), (5, 25641684), (6, 21368070), (9, 14245380), (10, 12820842), (12, 10684035), (15, 8547228), (18, 7122690), (20, 6410421), (27, 4748460), (29, 4420980), (30, 4273614), (36, 3561345), (45, 2849076), (54, 2374230), (58, 2210490), (60, 2136807), (81, 1582820), (87, 1473660), (90, 1424538), (108, 1187115), (116, 1105245), (135, 949692), (145, 884196), (162, 791410), (174, 736830), (180, 712269), (261, 491220), (270, 474846), (290, 442098), (324, 395705), (348, 368415), (405, 316564), (435, 294732), (522, 245610), (540, 237423), (580, 221049), (783, 163740), (810, 158282), (870, 147366), (1044, 122805), (1305, 98244), (1566, 81870), (1620, 79141), (1740, 73683), (2349, 54580), (2610, 49122), (2729, 46980), (3132, 40935), (3915, 32748), (4698, 27290), (5220, 24561), (5458, 23490), (7830, 16374), (8187, 15660), (9396, 13645), (10916, 11745)]