8640216

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 27518400

約数和(自身を除く): 18878184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 136, 153, 156, 181, 204, 216, 221, 234, 306, 312, 351, 362, 408, 442, 459, 468, 543, 612, 663, 702, 724, 884, 918, 936, 1086, 1224, 1326, 1404, 1448, 1629, 1768, 1836, 1989, 2172, 2353, 2652, 2808, 3077, 3258, 3672, 3978, 4344, 4706, 4887, 5304, 5967, 6154, 6516, 7059, 7956, 9231, 9412, 9774, 11934, 12308, 13032, 14118, 15912, 18462, 18824, 19548, 21177, 23868, 24616, 27693, 28236, 36924, 39096, 40001, 42354, 47736, 55386, 56472, 63531, 73848, 80002, 83079, 84708, 110772, 120003, 127062, 160004, 166158, 169416, 221544, 240006, 254124, 320008, 332316, 360009, 480012, 508248, 664632, 720018, 960024, 1080027, 1440036, 2160054, 2880072, 4320108, 8640216]

約数ペア:

[(1, 8640216), (2, 4320108), (3, 2880072), (4, 2160054), (6, 1440036), (8, 1080027), (9, 960024), (12, 720018), (13, 664632), (17, 508248), (18, 480012), (24, 360009), (26, 332316), (27, 320008), (34, 254124), (36, 240006), (39, 221544), (51, 169416), (52, 166158), (54, 160004), (68, 127062), (72, 120003), (78, 110772), (102, 84708), (104, 83079), (108, 80002), (117, 73848), (136, 63531), (153, 56472), (156, 55386), (181, 47736), (204, 42354), (216, 40001), (221, 39096), (234, 36924), (306, 28236), (312, 27693), (351, 24616), (362, 23868), (408, 21177), (442, 19548), (459, 18824), (468, 18462), (543, 15912), (612, 14118), (663, 13032), (702, 12308), (724, 11934), (884, 9774), (918, 9412), (936, 9231), (1086, 7956), (1224, 7059), (1326, 6516), (1404, 6154), (1448, 5967), (1629, 5304), (1768, 4887), (1836, 4706), (1989, 4344), (2172, 3978), (2353, 3672), (2652, 3258), (2808, 3077)]