207728960

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 516160512

約数和(自身を除く): 308431552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 71, 80, 82, 142, 160, 164, 205, 223, 284, 320, 328, 355, 410, 446, 568, 656, 710, 820, 892, 1115, 1136, 1312, 1420, 1640, 1784, 2230, 2272, 2624, 2840, 2911, 3280, 3568, 4460, 4544, 5680, 5822, 6560, 7136, 8920, 9143, 11360, 11644, 13120, 14272, 14555, 15833, 17840, 18286, 22720, 23288, 29110, 31666, 35680, 36572, 45715, 46576, 58220, 63332, 71360, 73144, 79165, 91430, 93152, 116440, 126664, 146288, 158330, 182860, 186304, 232880, 253328, 292576, 316660, 365720, 465760, 506656, 585152, 633320, 649153, 731440, 931520, 1013312, 1266640, 1298306, 1462880, 2533280, 2596612, 2925760, 3245765, 5066560, 5193224, 6491530, 10386448, 12983060, 20772896, 25966120, 41545792, 51932240, 103864480, 207728960]

約数ペア:

[(1, 207728960), (2, 103864480), (4, 51932240), (5, 41545792), (8, 25966120), (10, 20772896), (16, 12983060), (20, 10386448), (32, 6491530), (40, 5193224), (41, 5066560), (64, 3245765), (71, 2925760), (80, 2596612), (82, 2533280), (142, 1462880), (160, 1298306), (164, 1266640), (205, 1013312), (223, 931520), (284, 731440), (320, 649153), (328, 633320), (355, 585152), (410, 506656), (446, 465760), (568, 365720), (656, 316660), (710, 292576), (820, 253328), (892, 232880), (1115, 186304), (1136, 182860), (1312, 158330), (1420, 146288), (1640, 126664), (1784, 116440), (2230, 93152), (2272, 91430), (2624, 79165), (2840, 73144), (2911, 71360), (3280, 63332), (3568, 58220), (4460, 46576), (4544, 45715), (5680, 36572), (5822, 35680), (6560, 31666), (7136, 29110), (8920, 23288), (9143, 22720), (11360, 18286), (11644, 17840), (13120, 15833), (14272, 14555)]