81414620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 208158720

約数和(自身を除く): 126744100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 127, 133, 140, 190, 241, 254, 266, 380, 482, 508, 532, 635, 665, 889, 964, 1205, 1270, 1330, 1687, 1778, 2410, 2413, 2540, 2660, 3374, 3556, 4445, 4579, 4820, 4826, 6748, 8435, 8890, 9158, 9652, 12065, 16870, 16891, 17780, 18316, 22895, 24130, 30607, 32053, 33740, 33782, 45790, 48260, 61214, 64106, 67564, 84455, 91580, 122428, 128212, 153035, 160265, 168910, 214249, 306070, 320530, 337820, 428498, 581533, 612140, 641060, 856996, 1071245, 1163066, 2142490, 2326132, 2907665, 4070731, 4284980, 5815330, 8141462, 11630660, 16282924, 20353655, 40707310, 81414620]

約数ペア:

[(1, 81414620), (2, 40707310), (4, 20353655), (5, 16282924), (7, 11630660), (10, 8141462), (14, 5815330), (19, 4284980), (20, 4070731), (28, 2907665), (35, 2326132), (38, 2142490), (70, 1163066), (76, 1071245), (95, 856996), (127, 641060), (133, 612140), (140, 581533), (190, 428498), (241, 337820), (254, 320530), (266, 306070), (380, 214249), (482, 168910), (508, 160265), (532, 153035), (635, 128212), (665, 122428), (889, 91580), (964, 84455), (1205, 67564), (1270, 64106), (1330, 61214), (1687, 48260), (1778, 45790), (2410, 33782), (2413, 33740), (2540, 32053), (2660, 30607), (3374, 24130), (3556, 22895), (4445, 18316), (4579, 17780), (4820, 16891), (4826, 16870), (6748, 12065), (8435, 9652), (8890, 9158)]