2772640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 7451136

約数和(自身を除く): 4678496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 160, 172, 208, 215, 248, 260, 310, 344, 403, 416, 430, 496, 520, 559, 620, 688, 806, 860, 992, 1040, 1118, 1240, 1333, 1376, 1612, 1720, 2015, 2080, 2236, 2480, 2666, 2795, 3224, 3440, 4030, 4472, 4960, 5332, 5590, 6448, 6665, 6880, 8060, 8944, 10664, 11180, 12896, 13330, 16120, 17329, 17888, 21328, 22360, 26660, 32240, 34658, 42656, 44720, 53320, 64480, 69316, 86645, 89440, 106640, 138632, 173290, 213280, 277264, 346580, 554528, 693160, 1386320, 2772640]

約数ペア:

[(1, 2772640), (2, 1386320), (4, 693160), (5, 554528), (8, 346580), (10, 277264), (13, 213280), (16, 173290), (20, 138632), (26, 106640), (31, 89440), (32, 86645), (40, 69316), (43, 64480), (52, 53320), (62, 44720), (65, 42656), (80, 34658), (86, 32240), (104, 26660), (124, 22360), (130, 21328), (155, 17888), (160, 17329), (172, 16120), (208, 13330), (215, 12896), (248, 11180), (260, 10664), (310, 8944), (344, 8060), (403, 6880), (416, 6665), (430, 6448), (496, 5590), (520, 5332), (559, 4960), (620, 4472), (688, 4030), (806, 3440), (860, 3224), (992, 2795), (1040, 2666), (1118, 2480), (1240, 2236), (1333, 2080), (1376, 2015), (1612, 1720)]