128228940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{33923}}^1$

素因数の和:33948

約数の個数: 96

約数和(自身を含む): 455938560

約数和(自身を除く): 327709620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 33923, 67846, 101769, 135692, 169615, 203538, 237461, 305307, 339230, 407076, 474922, 508845, 610614, 678460, 712383, 915921, 949844, 1017690, 1187305, 1221228, 1424766, 1526535, 1831842, 2035380, 2137149, 2374610, 2849532, 3053070, 3561915, 3663684, 4274298, 4579605, 4749220, 6106140, 6411447, 7123830, 8548596, 9159210, 10685745, 12822894, 14247660, 18318420, 21371490, 25645788, 32057235, 42742980, 64114470, 128228940]

約数ペア:

[(1, 128228940), (2, 64114470), (3, 42742980), (4, 32057235), (5, 25645788), (6, 21371490), (7, 18318420), (9, 14247660), (10, 12822894), (12, 10685745), (14, 9159210), (15, 8548596), (18, 7123830), (20, 6411447), (21, 6106140), (27, 4749220), (28, 4579605), (30, 4274298), (35, 3663684), (36, 3561915), (42, 3053070), (45, 2849532), (54, 2374610), (60, 2137149), (63, 2035380), (70, 1831842), (84, 1526535), (90, 1424766), (105, 1221228), (108, 1187305), (126, 1017690), (135, 949844), (140, 915921), (180, 712383), (189, 678460), (210, 610614), (252, 508845), (270, 474922), (315, 407076), (378, 339230), (420, 305307), (540, 237461), (630, 203538), (756, 169615), (945, 135692), (1260, 101769), (1890, 67846), (3780, 33923)]