2167760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{79}}^1$

素因数の和:113

約数の個数: 80

約数和(自身を含む): 5952000

約数和(自身を除く): 3784240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 343, 392, 395, 490, 553, 560, 632, 686, 784, 790, 980, 1106, 1264, 1372, 1580, 1715, 1960, 2212, 2744, 2765, 3160, 3430, 3871, 3920, 4424, 5488, 5530, 6320, 6860, 7742, 8848, 11060, 13720, 15484, 19355, 22120, 27097, 27440, 30968, 38710, 44240, 54194, 61936, 77420, 108388, 135485, 154840, 216776, 270970, 309680, 433552, 541940, 1083880, 2167760]

約数ペア:

[(1, 2167760), (2, 1083880), (4, 541940), (5, 433552), (7, 309680), (8, 270970), (10, 216776), (14, 154840), (16, 135485), (20, 108388), (28, 77420), (35, 61936), (40, 54194), (49, 44240), (56, 38710), (70, 30968), (79, 27440), (80, 27097), (98, 22120), (112, 19355), (140, 15484), (158, 13720), (196, 11060), (245, 8848), (280, 7742), (316, 6860), (343, 6320), (392, 5530), (395, 5488), (490, 4424), (553, 3920), (560, 3871), (632, 3430), (686, 3160), (784, 2765), (790, 2744), (980, 2212), (1106, 1960), (1264, 1715), (1372, 1580)]