25012980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 76876800

約数和(自身を除く): 51863820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 1759, 2370, 2844, 3518, 3555, 4740, 5277, 7036, 7110, 8795, 10554, 14220, 15831, 17590, 21108, 26385, 31662, 35180, 52770, 63324, 79155, 105540, 138961, 158310, 277922, 316620, 416883, 555844, 694805, 833766, 1250649, 1389610, 1667532, 2084415, 2501298, 2779220, 4168830, 5002596, 6253245, 8337660, 12506490, 25012980]

約数ペア:

[(1, 25012980), (2, 12506490), (3, 8337660), (4, 6253245), (5, 5002596), (6, 4168830), (9, 2779220), (10, 2501298), (12, 2084415), (15, 1667532), (18, 1389610), (20, 1250649), (30, 833766), (36, 694805), (45, 555844), (60, 416883), (79, 316620), (90, 277922), (158, 158310), (180, 138961), (237, 105540), (316, 79155), (395, 63324), (474, 52770), (711, 35180), (790, 31662), (948, 26385), (1185, 21108), (1422, 17590), (1580, 15831), (1759, 14220), (2370, 10554), (2844, 8795), (3518, 7110), (3555, 7036), (4740, 5277)]