131865720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{877}}^1$

素因数の和:1077

約数の個数: 128

約数和(自身を含む): 455155200

約数和(自身を除く): 323289480

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, 120, 140, 168, 179, 210, 280, 358, 420, 537, 716, 840, 877, 895, 1074, 1253, 1432, 1754, 1790, 2148, 2506, 2631, 2685, 3508, 3580, 3759, 4296, 4385, 5012, 5262, 5370, 6139, 6265, 7016, 7160, 7518, 8770, 10024, 10524, 10740, 12278, 12530, 13155, 15036, 17540, 18417, 18795, 21048, 21480, 24556, 25060, 26310, 30072, 30695, 35080, 36834, 37590, 49112, 50120, 52620, 61390, 73668, 75180, 92085, 105240, 122780, 147336, 150360, 156983, 184170, 245560, 313966, 368340, 470949, 627932, 736680, 784915, 941898, 1098881, 1255864, 1569830, 1883796, 2197762, 2354745, 3139660, 3296643, 3767592, 4395524, 4709490, 5494405, 6279320, 6593286, 8791048, 9418980, 10988810, 13186572, 16483215, 18837960, 21977620, 26373144, 32966430, 43955240, 65932860, 131865720]

約数ペア:

[(1, 131865720), (2, 65932860), (3, 43955240), (4, 32966430), (5, 26373144), (6, 21977620), (7, 18837960), (8, 16483215), (10, 13186572), (12, 10988810), (14, 9418980), (15, 8791048), (20, 6593286), (21, 6279320), (24, 5494405), (28, 4709490), (30, 4395524), (35, 3767592), (40, 3296643), (42, 3139660), (56, 2354745), (60, 2197762), (70, 1883796), (84, 1569830), (105, 1255864), (120, 1098881), (140, 941898), (168, 784915), (179, 736680), (210, 627932), (280, 470949), (358, 368340), (420, 313966), (537, 245560), (716, 184170), (840, 156983), (877, 150360), (895, 147336), (1074, 122780), (1253, 105240), (1432, 92085), (1754, 75180), (1790, 73668), (2148, 61390), (2506, 52620), (2631, 50120), (2685, 49112), (3508, 37590), (3580, 36834), (3759, 35080), (4296, 30695), (4385, 30072), (5012, 26310), (5262, 25060), (5370, 24556), (6139, 21480), (6265, 21048), (7016, 18795), (7160, 18417), (7518, 17540), (8770, 15036), (10024, 13155), (10524, 12530), (10740, 12278)]