2581195896

素因数分解:

$2^3\times 3^4\times {\mathrm{193}}^1\times {\mathrm{20639}}^1$

素因数の和:20850

約数の個数: 80

約数和(自身を含む): 7267550400

約数和(自身を除く): 4686354504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 193, 216, 324, 386, 579, 648, 772, 1158, 1544, 1737, 2316, 3474, 4632, 5211, 6948, 10422, 13896, 15633, 20639, 20844, 31266, 41278, 41688, 61917, 62532, 82556, 123834, 125064, 165112, 185751, 247668, 371502, 495336, 557253, 743004, 1114506, 1486008, 1671759, 2229012, 3343518, 3983327, 4458024, 6687036, 7966654, 11949981, 13374072, 15933308, 23899962, 31866616, 35849943, 47799924, 71699886, 95599848, 107549829, 143399772, 215099658, 286799544, 322649487, 430199316, 645298974, 860398632, 1290597948, 2581195896]

約数ペア:

[(1, 2581195896), (2, 1290597948), (3, 860398632), (4, 645298974), (6, 430199316), (8, 322649487), (9, 286799544), (12, 215099658), (18, 143399772), (24, 107549829), (27, 95599848), (36, 71699886), (54, 47799924), (72, 35849943), (81, 31866616), (108, 23899962), (162, 15933308), (193, 13374072), (216, 11949981), (324, 7966654), (386, 6687036), (579, 4458024), (648, 3983327), (772, 3343518), (1158, 2229012), (1544, 1671759), (1737, 1486008), (2316, 1114506), (3474, 743004), (4632, 557253), (5211, 495336), (6948, 371502), (10422, 247668), (13896, 185751), (15633, 165112), (20639, 125064), (20844, 123834), (31266, 82556), (41278, 62532), (41688, 61917)]