4220820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 12972960

約数和(自身を除く): 8752140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 179, 180, 262, 358, 393, 524, 537, 655, 716, 786, 895, 1074, 1179, 1310, 1572, 1611, 1790, 1965, 2148, 2358, 2620, 2685, 3222, 3580, 3930, 4716, 5370, 5895, 6444, 7860, 8055, 10740, 11790, 16110, 23449, 23580, 32220, 46898, 70347, 93796, 117245, 140694, 211041, 234490, 281388, 351735, 422082, 468980, 703470, 844164, 1055205, 1406940, 2110410, 4220820]

約数ペア:

[(1, 4220820), (2, 2110410), (3, 1406940), (4, 1055205), (5, 844164), (6, 703470), (9, 468980), (10, 422082), (12, 351735), (15, 281388), (18, 234490), (20, 211041), (30, 140694), (36, 117245), (45, 93796), (60, 70347), (90, 46898), (131, 32220), (179, 23580), (180, 23449), (262, 16110), (358, 11790), (393, 10740), (524, 8055), (537, 7860), (655, 6444), (716, 5895), (786, 5370), (895, 4716), (1074, 3930), (1179, 3580), (1310, 3222), (1572, 2685), (1611, 2620), (1790, 2358), (1965, 2148)]