68432680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 163584000

約数和(自身を除く): 95151320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 709, 760, 1016, 1270, 1418, 2413, 2540, 2836, 3545, 4826, 5080, 5672, 7090, 9652, 12065, 13471, 14180, 19304, 24130, 26942, 28360, 48260, 53884, 67355, 90043, 96520, 107768, 134710, 180086, 269420, 360172, 450215, 538840, 720344, 900430, 1710817, 1800860, 3421634, 3601720, 6843268, 8554085, 13686536, 17108170, 34216340, 68432680]

約数ペア:

[(1, 68432680), (2, 34216340), (4, 17108170), (5, 13686536), (8, 8554085), (10, 6843268), (19, 3601720), (20, 3421634), (38, 1800860), (40, 1710817), (76, 900430), (95, 720344), (127, 538840), (152, 450215), (190, 360172), (254, 269420), (380, 180086), (508, 134710), (635, 107768), (709, 96520), (760, 90043), (1016, 67355), (1270, 53884), (1418, 48260), (2413, 28360), (2540, 26942), (2836, 24130), (3545, 19304), (4826, 14180), (5080, 13471), (5672, 12065), (7090, 9652)]