31988040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 110972160

約数和(自身を除く): 78984120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 337, 339, 420, 452, 565, 674, 678, 791, 840, 904, 1011, 1130, 1348, 1356, 1582, 1685, 1695, 2022, 2260, 2359, 2373, 2696, 2712, 3164, 3370, 3390, 3955, 4044, 4520, 4718, 4746, 5055, 6328, 6740, 6780, 7077, 7910, 8088, 9436, 9492, 10110, 11795, 11865, 13480, 13560, 14154, 15820, 18872, 18984, 20220, 23590, 23730, 28308, 31640, 35385, 38081, 40440, 47180, 47460, 56616, 70770, 76162, 94360, 94920, 114243, 141540, 152324, 190405, 228486, 266567, 283080, 304648, 380810, 456972, 533134, 571215, 761620, 799701, 913944, 1066268, 1142430, 1332835, 1523240, 1599402, 2132536, 2284860, 2665670, 3198804, 3998505, 4569720, 5331340, 6397608, 7997010, 10662680, 15994020, 31988040]

約数ペア:

[(1, 31988040), (2, 15994020), (3, 10662680), (4, 7997010), (5, 6397608), (6, 5331340), (7, 4569720), (8, 3998505), (10, 3198804), (12, 2665670), (14, 2284860), (15, 2132536), (20, 1599402), (21, 1523240), (24, 1332835), (28, 1142430), (30, 1066268), (35, 913944), (40, 799701), (42, 761620), (56, 571215), (60, 533134), (70, 456972), (84, 380810), (105, 304648), (113, 283080), (120, 266567), (140, 228486), (168, 190405), (210, 152324), (226, 141540), (280, 114243), (337, 94920), (339, 94360), (420, 76162), (452, 70770), (565, 56616), (674, 47460), (678, 47180), (791, 40440), (840, 38081), (904, 35385), (1011, 31640), (1130, 28308), (1348, 23730), (1356, 23590), (1582, 20220), (1685, 18984), (1695, 18872), (2022, 15820), (2260, 14154), (2359, 13560), (2373, 13480), (2696, 11865), (2712, 11795), (3164, 10110), (3370, 9492), (3390, 9436), (3955, 8088), (4044, 7910), (4520, 7077), (4718, 6780), (4746, 6740), (5055, 6328)]