207496640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1670

約数の個数: 112

約数和(自身を含む): 549615360

約数和(自身を除く): 342118720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1609, 1612, 1984, 2015, 2080, 2480, 3218, 3224, 4030, 4160, 4960, 6436, 6448, 8045, 8060, 9920, 12872, 12896, 16090, 16120, 20917, 25744, 25792, 32180, 32240, 41834, 49879, 51488, 64360, 64480, 83668, 99758, 102976, 104585, 128720, 128960, 167336, 199516, 209170, 249395, 257440, 334672, 399032, 418340, 498790, 514880, 648427, 669344, 798064, 836680, 997580, 1296854, 1338688, 1596128, 1673360, 1995160, 2593708, 3192256, 3242135, 3346720, 3990320, 5187416, 6484270, 6693440, 7980640, 10374832, 12968540, 15961280, 20749664, 25937080, 41499328, 51874160, 103748320, 207496640]

約数ペア:

[(1, 207496640), (2, 103748320), (4, 51874160), (5, 41499328), (8, 25937080), (10, 20749664), (13, 15961280), (16, 12968540), (20, 10374832), (26, 7980640), (31, 6693440), (32, 6484270), (40, 5187416), (52, 3990320), (62, 3346720), (64, 3242135), (65, 3192256), (80, 2593708), (104, 1995160), (124, 1673360), (130, 1596128), (155, 1338688), (160, 1296854), (208, 997580), (248, 836680), (260, 798064), (310, 669344), (320, 648427), (403, 514880), (416, 498790), (496, 418340), (520, 399032), (620, 334672), (806, 257440), (832, 249395), (992, 209170), (1040, 199516), (1240, 167336), (1609, 128960), (1612, 128720), (1984, 104585), (2015, 102976), (2080, 99758), (2480, 83668), (3218, 64480), (3224, 64360), (4030, 51488), (4160, 49879), (4960, 41834), (6436, 32240), (6448, 32180), (8045, 25792), (8060, 25744), (9920, 20917), (12872, 16120), (12896, 16090)]