31353840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6221}}^1$

素因数の和:6247

約数の個数: 120

約数和(自身を含む): 120358368

約数和(自身を除く): 89004528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6221, 12442, 18663, 24884, 31105, 37326, 43547, 49768, 55989, 62210, 74652, 87094, 93315, 99536, 111978, 124420, 130641, 149304, 174188, 186630, 217735, 223956, 248840, 261282, 279945, 298608, 348376, 373260, 391923, 435470, 447912, 497680, 522564, 559890, 653205, 696752, 746520, 783846, 870940, 895824, 1045128, 1119780, 1306410, 1493040, 1567692, 1741880, 1959615, 2090256, 2239560, 2612820, 3135384, 3483760, 3919230, 4479120, 5225640, 6270768, 7838460, 10451280, 15676920, 31353840]

約数ペア:

[(1, 31353840), (2, 15676920), (3, 10451280), (4, 7838460), (5, 6270768), (6, 5225640), (7, 4479120), (8, 3919230), (9, 3483760), (10, 3135384), (12, 2612820), (14, 2239560), (15, 2090256), (16, 1959615), (18, 1741880), (20, 1567692), (21, 1493040), (24, 1306410), (28, 1119780), (30, 1045128), (35, 895824), (36, 870940), (40, 783846), (42, 746520), (45, 696752), (48, 653205), (56, 559890), (60, 522564), (63, 497680), (70, 447912), (72, 435470), (80, 391923), (84, 373260), (90, 348376), (105, 298608), (112, 279945), (120, 261282), (126, 248840), (140, 223956), (144, 217735), (168, 186630), (180, 174188), (210, 149304), (240, 130641), (252, 124420), (280, 111978), (315, 99536), (336, 93315), (360, 87094), (420, 74652), (504, 62210), (560, 55989), (630, 49768), (720, 43547), (840, 37326), (1008, 31105), (1260, 24884), (1680, 18663), (2520, 12442), (5040, 6221)]