127999980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1120

約数の個数: 96

約数和(自身を含む): 400075200

約数和(自身を除く): 272075220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 293, 540, 586, 809, 879, 1172, 1465, 1618, 1758, 2427, 2637, 2930, 3236, 3516, 4045, 4395, 4854, 5274, 5860, 7281, 7911, 8090, 8790, 9708, 10548, 12135, 13185, 14562, 15822, 16180, 17580, 21843, 24270, 26370, 29124, 31644, 36405, 39555, 43686, 48540, 52740, 72810, 79110, 87372, 109215, 145620, 158220, 218430, 237037, 436860, 474074, 711111, 948148, 1185185, 1422222, 2133333, 2370370, 2844444, 3555555, 4266666, 4740740, 6399999, 7111110, 8533332, 10666665, 12799998, 14222220, 21333330, 25599996, 31999995, 42666660, 63999990, 127999980]

約数ペア:

[(1, 127999980), (2, 63999990), (3, 42666660), (4, 31999995), (5, 25599996), (6, 21333330), (9, 14222220), (10, 12799998), (12, 10666665), (15, 8533332), (18, 7111110), (20, 6399999), (27, 4740740), (30, 4266666), (36, 3555555), (45, 2844444), (54, 2370370), (60, 2133333), (90, 1422222), (108, 1185185), (135, 948148), (180, 711111), (270, 474074), (293, 436860), (540, 237037), (586, 218430), (809, 158220), (879, 145620), (1172, 109215), (1465, 87372), (1618, 79110), (1758, 72810), (2427, 52740), (2637, 48540), (2930, 43686), (3236, 39555), (3516, 36405), (4045, 31644), (4395, 29124), (4854, 26370), (5274, 24270), (5860, 21843), (7281, 17580), (7911, 16180), (8090, 15822), (8790, 14562), (9708, 13185), (10548, 12135)]