2540640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 8225280

約数和(自身を除く): 5684640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 79, 80, 96, 120, 134, 158, 160, 201, 237, 240, 268, 316, 335, 395, 402, 474, 480, 536, 632, 670, 790, 804, 948, 1005, 1072, 1185, 1264, 1340, 1580, 1608, 1896, 2010, 2144, 2370, 2528, 2680, 3160, 3216, 3792, 4020, 4740, 5293, 5360, 6320, 6432, 7584, 8040, 9480, 10586, 10720, 12640, 15879, 16080, 18960, 21172, 26465, 31758, 32160, 37920, 42344, 52930, 63516, 79395, 84688, 105860, 127032, 158790, 169376, 211720, 254064, 317580, 423440, 508128, 635160, 846880, 1270320, 2540640]

約数ペア:

[(1, 2540640), (2, 1270320), (3, 846880), (4, 635160), (5, 508128), (6, 423440), (8, 317580), (10, 254064), (12, 211720), (15, 169376), (16, 158790), (20, 127032), (24, 105860), (30, 84688), (32, 79395), (40, 63516), (48, 52930), (60, 42344), (67, 37920), (79, 32160), (80, 31758), (96, 26465), (120, 21172), (134, 18960), (158, 16080), (160, 15879), (201, 12640), (237, 10720), (240, 10586), (268, 9480), (316, 8040), (335, 7584), (395, 6432), (402, 6320), (474, 5360), (480, 5293), (536, 4740), (632, 4020), (670, 3792), (790, 3216), (804, 3160), (948, 2680), (1005, 2528), (1072, 2370), (1185, 2144), (1264, 2010), (1340, 1896), (1580, 1608)]