16990680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 42106920

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, 179, 210, 226, 280, 339, 358, 420, 452, 537, 565, 678, 716, 791, 840, 895, 904, 1074, 1130, 1253, 1356, 1432, 1582, 1695, 1790, 2148, 2260, 2373, 2506, 2685, 2712, 3164, 3390, 3580, 3759, 3955, 4296, 4520, 4746, 5012, 5370, 6265, 6328, 6780, 7160, 7518, 7910, 9492, 10024, 10740, 11865, 12530, 13560, 15036, 15820, 18795, 18984, 20227, 21480, 23730, 25060, 30072, 31640, 37590, 40454, 47460, 50120, 60681, 75180, 80908, 94920, 101135, 121362, 141589, 150360, 161816, 202270, 242724, 283178, 303405, 404540, 424767, 485448, 566356, 606810, 707945, 809080, 849534, 1132712, 1213620, 1415890, 1699068, 2123835, 2427240, 2831780, 3398136, 4247670, 5663560, 8495340, 16990680]

約数ペア:

[(1, 16990680), (2, 8495340), (3, 5663560), (4, 4247670), (5, 3398136), (6, 2831780), (7, 2427240), (8, 2123835), (10, 1699068), (12, 1415890), (14, 1213620), (15, 1132712), (20, 849534), (21, 809080), (24, 707945), (28, 606810), (30, 566356), (35, 485448), (40, 424767), (42, 404540), (56, 303405), (60, 283178), (70, 242724), (84, 202270), (105, 161816), (113, 150360), (120, 141589), (140, 121362), (168, 101135), (179, 94920), (210, 80908), (226, 75180), (280, 60681), (339, 50120), (358, 47460), (420, 40454), (452, 37590), (537, 31640), (565, 30072), (678, 25060), (716, 23730), (791, 21480), (840, 20227), (895, 18984), (904, 18795), (1074, 15820), (1130, 15036), (1253, 13560), (1356, 12530), (1432, 11865), (1582, 10740), (1695, 10024), (1790, 9492), (2148, 7910), (2260, 7518), (2373, 7160), (2506, 6780), (2685, 6328), (2712, 6265), (3164, 5370), (3390, 5012), (3580, 4746), (3759, 4520), (3955, 4296)]