123547840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1794

約数の個数: 112

約数和(自身を含む): 335657952

約数和(自身を除く): 212110112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1747, 1768, 2080, 2210, 2720, 3494, 3536, 4160, 4420, 5440, 6988, 7072, 8735, 8840, 13976, 14144, 17470, 17680, 22711, 27952, 29699, 34940, 35360, 45422, 55904, 59398, 69880, 70720, 90844, 111808, 113555, 118796, 139760, 148495, 181688, 227110, 237592, 279520, 296990, 363376, 386087, 454220, 475184, 559040, 593980, 726752, 772174, 908440, 950368, 1187960, 1453504, 1544348, 1816880, 1900736, 1930435, 2375920, 3088696, 3633760, 3860870, 4751840, 6177392, 7267520, 7721740, 9503680, 12354784, 15443480, 24709568, 30886960, 61773920, 123547840]

約数ペア:

[(1, 123547840), (2, 61773920), (4, 30886960), (5, 24709568), (8, 15443480), (10, 12354784), (13, 9503680), (16, 7721740), (17, 7267520), (20, 6177392), (26, 4751840), (32, 3860870), (34, 3633760), (40, 3088696), (52, 2375920), (64, 1930435), (65, 1900736), (68, 1816880), (80, 1544348), (85, 1453504), (104, 1187960), (130, 950368), (136, 908440), (160, 772174), (170, 726752), (208, 593980), (221, 559040), (260, 475184), (272, 454220), (320, 386087), (340, 363376), (416, 296990), (442, 279520), (520, 237592), (544, 227110), (680, 181688), (832, 148495), (884, 139760), (1040, 118796), (1088, 113555), (1105, 111808), (1360, 90844), (1747, 70720), (1768, 69880), (2080, 59398), (2210, 55904), (2720, 45422), (3494, 35360), (3536, 34940), (4160, 29699), (4420, 27952), (5440, 22711), (6988, 17680), (7072, 17470), (8735, 14144), (8840, 13976)]