2187640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 6068160

約数和(自身を除く): 3880520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 601, 728, 910, 1202, 1820, 2404, 3005, 3640, 4207, 4808, 6010, 7813, 8414, 12020, 15626, 16828, 21035, 24040, 31252, 33656, 39065, 42070, 54691, 62504, 78130, 84140, 109382, 156260, 168280, 218764, 273455, 312520, 437528, 546910, 1093820, 2187640]

約数ペア:

[(1, 2187640), (2, 1093820), (4, 546910), (5, 437528), (7, 312520), (8, 273455), (10, 218764), (13, 168280), (14, 156260), (20, 109382), (26, 84140), (28, 78130), (35, 62504), (40, 54691), (52, 42070), (56, 39065), (65, 33656), (70, 31252), (91, 24040), (104, 21035), (130, 16828), (140, 15626), (182, 12020), (260, 8414), (280, 7813), (364, 6010), (455, 4808), (520, 4207), (601, 3640), (728, 3005), (910, 2404), (1202, 1820)]