131272520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3259}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 316872000

約数和(自身を除く): 185599480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 3259, 4028, 5035, 6518, 8056, 10070, 13036, 16295, 20140, 26072, 32590, 40280, 61921, 65180, 123842, 130360, 172727, 247684, 309605, 345454, 495368, 619210, 690908, 863635, 1238420, 1381816, 1727270, 2476840, 3281813, 3454540, 6563626, 6909080, 13127252, 16409065, 26254504, 32818130, 65636260, 131272520]

約数ペア:

[(1, 131272520), (2, 65636260), (4, 32818130), (5, 26254504), (8, 16409065), (10, 13127252), (19, 6909080), (20, 6563626), (38, 3454540), (40, 3281813), (53, 2476840), (76, 1727270), (95, 1381816), (106, 1238420), (152, 863635), (190, 690908), (212, 619210), (265, 495368), (380, 345454), (424, 309605), (530, 247684), (760, 172727), (1007, 130360), (1060, 123842), (2014, 65180), (2120, 61921), (3259, 40280), (4028, 32590), (5035, 26072), (6518, 20140), (8056, 16295), (10070, 13036)]