131868420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2287}}^1$

素因数の和:2361

約数の個数: 72

約数和(自身を含む): 381693312

約数和(自身を除く): 249824892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1860, 1922, 2287, 2883, 3844, 4574, 4805, 5766, 6861, 9148, 9610, 11435, 11532, 13722, 14415, 19220, 22870, 27444, 28830, 34305, 45740, 57660, 68610, 70897, 137220, 141794, 212691, 283588, 354485, 425382, 708970, 850764, 1063455, 1417940, 2126910, 2197807, 4253820, 4395614, 6593421, 8791228, 10989035, 13186842, 21978070, 26373684, 32967105, 43956140, 65934210, 131868420]

約数ペア:

[(1, 131868420), (2, 65934210), (3, 43956140), (4, 32967105), (5, 26373684), (6, 21978070), (10, 13186842), (12, 10989035), (15, 8791228), (20, 6593421), (30, 4395614), (31, 4253820), (60, 2197807), (62, 2126910), (93, 1417940), (124, 1063455), (155, 850764), (186, 708970), (310, 425382), (372, 354485), (465, 283588), (620, 212691), (930, 141794), (961, 137220), (1860, 70897), (1922, 68610), (2287, 57660), (2883, 45740), (3844, 34305), (4574, 28830), (4805, 27444), (5766, 22870), (6861, 19220), (9148, 14415), (9610, 13722), (11435, 11532)]