156778120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8969}}^1$

素因数の和:9022

約数の個数: 64

約数和(自身を含む): 387504000

約数和(自身を除く): 230725880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 8969, 17480, 17938, 35876, 44845, 71752, 89690, 170411, 179380, 206287, 340822, 358760, 412574, 681644, 825148, 852055, 1031435, 1363288, 1650296, 1704110, 2062870, 3408220, 3919453, 4125740, 6816440, 7838906, 8251480, 15677812, 19597265, 31355624, 39194530, 78389060, 156778120]

約数ペア:

[(1, 156778120), (2, 78389060), (4, 39194530), (5, 31355624), (8, 19597265), (10, 15677812), (19, 8251480), (20, 7838906), (23, 6816440), (38, 4125740), (40, 3919453), (46, 3408220), (76, 2062870), (92, 1704110), (95, 1650296), (115, 1363288), (152, 1031435), (184, 852055), (190, 825148), (230, 681644), (380, 412574), (437, 358760), (460, 340822), (760, 206287), (874, 179380), (920, 170411), (1748, 89690), (2185, 71752), (3496, 44845), (4370, 35876), (8740, 17938), (8969, 17480)]