71992960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 128

約数和(自身を含む): 196635600

約数和(自身を除く): 124642640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 509, 520, 544, 640, 680, 832, 884, 1018, 1040, 1088, 1105, 1360, 1664, 1768, 2036, 2080, 2176, 2210, 2545, 2720, 3536, 4072, 4160, 4420, 5090, 5440, 6617, 7072, 8144, 8320, 8653, 8840, 10180, 10880, 13234, 14144, 16288, 17306, 17680, 20360, 26468, 28288, 32576, 33085, 34612, 35360, 40720, 43265, 52936, 65152, 66170, 69224, 70720, 81440, 86530, 105872, 112489, 132340, 138448, 141440, 162880, 173060, 211744, 224978, 264680, 276896, 325760, 346120, 423488, 449956, 529360, 553792, 562445, 692240, 846976, 899912, 1058720, 1107584, 1124890, 1384480, 1799824, 2117440, 2249780, 2768960, 3599648, 4234880, 4499560, 5537920, 7199296, 8999120, 14398592, 17998240, 35996480, 71992960]

約数ペア:

[(1, 71992960), (2, 35996480), (4, 17998240), (5, 14398592), (8, 8999120), (10, 7199296), (13, 5537920), (16, 4499560), (17, 4234880), (20, 3599648), (26, 2768960), (32, 2249780), (34, 2117440), (40, 1799824), (52, 1384480), (64, 1124890), (65, 1107584), (68, 1058720), (80, 899912), (85, 846976), (104, 692240), (128, 562445), (130, 553792), (136, 529360), (160, 449956), (170, 423488), (208, 346120), (221, 325760), (260, 276896), (272, 264680), (320, 224978), (340, 211744), (416, 173060), (442, 162880), (509, 141440), (520, 138448), (544, 132340), (640, 112489), (680, 105872), (832, 86530), (884, 81440), (1018, 70720), (1040, 69224), (1088, 66170), (1105, 65152), (1360, 52936), (1664, 43265), (1768, 40720), (2036, 35360), (2080, 34612), (2176, 33085), (2210, 32576), (2545, 28288), (2720, 26468), (3536, 20360), (4072, 17680), (4160, 17306), (4420, 16288), (5090, 14144), (5440, 13234), (6617, 10880), (7072, 10180), (8144, 8840), (8320, 8653)]