25716720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 80744832

約数和(自身を除く): 55028112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1291, 1328, 1660, 1992, 2490, 2582, 3320, 3873, 3984, 4980, 5164, 6455, 6640, 7746, 9960, 10328, 12910, 15492, 19365, 19920, 20656, 25820, 30984, 38730, 51640, 61968, 77460, 103280, 107153, 154920, 214306, 309840, 321459, 428612, 535765, 642918, 857224, 1071530, 1285836, 1607295, 1714448, 2143060, 2571672, 3214590, 4286120, 5143344, 6429180, 8572240, 12858360, 25716720]

約数ペア:

[(1, 25716720), (2, 12858360), (3, 8572240), (4, 6429180), (5, 5143344), (6, 4286120), (8, 3214590), (10, 2571672), (12, 2143060), (15, 1714448), (16, 1607295), (20, 1285836), (24, 1071530), (30, 857224), (40, 642918), (48, 535765), (60, 428612), (80, 321459), (83, 309840), (120, 214306), (166, 154920), (240, 107153), (249, 103280), (332, 77460), (415, 61968), (498, 51640), (664, 38730), (830, 30984), (996, 25820), (1245, 20656), (1291, 19920), (1328, 19365), (1660, 15492), (1992, 12910), (2490, 10328), (2582, 9960), (3320, 7746), (3873, 6640), (3984, 6455), (4980, 5164)]