128440980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4789}}^1$

素因数の和:4953

約数の個数: 72

約数和(自身を含む): 392301000

約数和(自身を除く): 263860020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 4789, 5364, 6705, 8940, 9578, 13410, 14367, 19156, 23945, 26820, 28734, 43101, 47890, 57468, 71835, 86202, 95780, 143670, 172404, 215505, 287340, 431010, 713561, 862020, 1427122, 2140683, 2854244, 3567805, 4281366, 6422049, 7135610, 8562732, 10703415, 12844098, 14271220, 21406830, 25688196, 32110245, 42813660, 64220490, 128440980]

約数ペア:

[(1, 128440980), (2, 64220490), (3, 42813660), (4, 32110245), (5, 25688196), (6, 21406830), (9, 14271220), (10, 12844098), (12, 10703415), (15, 8562732), (18, 7135610), (20, 6422049), (30, 4281366), (36, 3567805), (45, 2854244), (60, 2140683), (90, 1427122), (149, 862020), (180, 713561), (298, 431010), (447, 287340), (596, 215505), (745, 172404), (894, 143670), (1341, 95780), (1490, 86202), (1788, 71835), (2235, 57468), (2682, 47890), (2980, 43101), (4470, 28734), (4789, 26820), (5364, 23945), (6705, 19156), (8940, 14367), (9578, 13410)]