25357140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 77444640

約数和(自身を除く): 52087500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 787, 895, 1074, 1574, 1611, 1790, 2148, 2361, 2685, 3148, 3222, 3580, 3935, 4722, 5370, 6444, 7083, 7870, 8055, 9444, 10740, 11805, 14166, 15740, 16110, 23610, 28332, 32220, 35415, 47220, 70830, 140873, 141660, 281746, 422619, 563492, 704365, 845238, 1267857, 1408730, 1690476, 2113095, 2535714, 2817460, 4226190, 5071428, 6339285, 8452380, 12678570, 25357140]

約数ペア:

[(1, 25357140), (2, 12678570), (3, 8452380), (4, 6339285), (5, 5071428), (6, 4226190), (9, 2817460), (10, 2535714), (12, 2113095), (15, 1690476), (18, 1408730), (20, 1267857), (30, 845238), (36, 704365), (45, 563492), (60, 422619), (90, 281746), (179, 141660), (180, 140873), (358, 70830), (537, 47220), (716, 35415), (787, 32220), (895, 28332), (1074, 23610), (1574, 16110), (1611, 15740), (1790, 14166), (2148, 11805), (2361, 10740), (2685, 9444), (3148, 8055), (3222, 7870), (3580, 7083), (3935, 6444), (4722, 5370)]