247922520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2169

約数の個数: 128

約数和(自身を含む): 794534400

約数和(自身を除く): 546611880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2089, 2580, 2760, 2967, 3956, 4178, 4945, 5160, 5934, 6267, 7912, 8356, 9890, 10445, 11868, 12534, 14835, 16712, 19780, 20890, 23736, 25068, 29670, 31335, 39560, 41780, 48047, 50136, 59340, 62670, 83560, 89827, 96094, 118680, 125340, 144141, 179654, 192188, 240235, 250680, 269481, 288282, 359308, 384376, 449135, 480470, 538962, 576564, 718616, 720705, 898270, 960940, 1077924, 1153128, 1347405, 1441410, 1796540, 1921880, 2066021, 2155848, 2694810, 2882820, 3593080, 4132042, 5389620, 5765640, 6198063, 8264084, 10330105, 10779240, 12396126, 16528168, 20660210, 24792252, 30990315, 41320420, 49584504, 61980630, 82640840, 123961260, 247922520]

約数ペア:

[(1, 247922520), (2, 123961260), (3, 82640840), (4, 61980630), (5, 49584504), (6, 41320420), (8, 30990315), (10, 24792252), (12, 20660210), (15, 16528168), (20, 12396126), (23, 10779240), (24, 10330105), (30, 8264084), (40, 6198063), (43, 5765640), (46, 5389620), (60, 4132042), (69, 3593080), (86, 2882820), (92, 2694810), (115, 2155848), (120, 2066021), (129, 1921880), (138, 1796540), (172, 1441410), (184, 1347405), (215, 1153128), (230, 1077924), (258, 960940), (276, 898270), (344, 720705), (345, 718616), (430, 576564), (460, 538962), (516, 480470), (552, 449135), (645, 384376), (690, 359308), (860, 288282), (920, 269481), (989, 250680), (1032, 240235), (1290, 192188), (1380, 179654), (1720, 144141), (1978, 125340), (2089, 118680), (2580, 96094), (2760, 89827), (2967, 83560), (3956, 62670), (4178, 59340), (4945, 50136), (5160, 48047), (5934, 41780), (6267, 39560), (7912, 31335), (8356, 29670), (9890, 25068), (10445, 23736), (11868, 20890), (12534, 19780), (14835, 16712)]