261108120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23911}}^1$

素因数の和:23945

約数の個数: 128

約数和(自身を含む): 964131840

約数和(自身を除く): 703023720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23911, 47822, 71733, 95644, 119555, 143466, 167377, 191288, 239110, 286932, 310843, 334754, 358665, 478220, 502131, 573864, 621686, 669508, 717330, 836885, 932529, 956440, 1004262, 1243372, 1339016, 1434660, 1554215, 1673770, 1865058, 2008524, 2175901, 2486744, 2510655, 2869320, 3108430, 3347540, 3730116, 4017048, 4351802, 4662645, 5021310, 6216860, 6527703, 6695080, 7460232, 8703604, 9325290, 10042620, 10879505, 12433720, 13055406, 17407208, 18650580, 20085240, 21759010, 26110812, 32638515, 37301160, 43518020, 52221624, 65277030, 87036040, 130554060, 261108120]

約数ペア:

[(1, 261108120), (2, 130554060), (3, 87036040), (4, 65277030), (5, 52221624), (6, 43518020), (7, 37301160), (8, 32638515), (10, 26110812), (12, 21759010), (13, 20085240), (14, 18650580), (15, 17407208), (20, 13055406), (21, 12433720), (24, 10879505), (26, 10042620), (28, 9325290), (30, 8703604), (35, 7460232), (39, 6695080), (40, 6527703), (42, 6216860), (52, 5021310), (56, 4662645), (60, 4351802), (65, 4017048), (70, 3730116), (78, 3347540), (84, 3108430), (91, 2869320), (104, 2510655), (105, 2486744), (120, 2175901), (130, 2008524), (140, 1865058), (156, 1673770), (168, 1554215), (182, 1434660), (195, 1339016), (210, 1243372), (260, 1004262), (273, 956440), (280, 932529), (312, 836885), (364, 717330), (390, 669508), (420, 621686), (455, 573864), (520, 502131), (546, 478220), (728, 358665), (780, 334754), (840, 310843), (910, 286932), (1092, 239110), (1365, 191288), (1560, 167377), (1820, 143466), (2184, 119555), (2730, 95644), (3640, 71733), (5460, 47822), (10920, 23911)]