128633580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1283}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 391193712

約数和(自身を除く): 262560132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 1114, 1283, 1671, 2228, 2566, 2785, 3342, 3849, 5013, 5132, 5570, 6415, 6684, 7698, 8355, 10026, 11140, 11547, 12830, 15396, 16710, 19245, 20052, 23094, 25065, 25660, 33420, 38490, 46188, 50130, 57735, 76980, 100260, 115470, 230940, 714631, 1429262, 2143893, 2858524, 3573155, 4287786, 6431679, 7146310, 8575572, 10719465, 12863358, 14292620, 21438930, 25726716, 32158395, 42877860, 64316790, 128633580]

約数ペア:

[(1, 128633580), (2, 64316790), (3, 42877860), (4, 32158395), (5, 25726716), (6, 21438930), (9, 14292620), (10, 12863358), (12, 10719465), (15, 8575572), (18, 7146310), (20, 6431679), (30, 4287786), (36, 3573155), (45, 2858524), (60, 2143893), (90, 1429262), (180, 714631), (557, 230940), (1114, 115470), (1283, 100260), (1671, 76980), (2228, 57735), (2566, 50130), (2785, 46188), (3342, 38490), (3849, 33420), (5013, 25660), (5132, 25065), (5570, 23094), (6415, 20052), (6684, 19245), (7698, 16710), (8355, 15396), (10026, 12830), (11140, 11547)]