71972040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1891

約数の個数: 128

約数和(自身を含む): 252149760

約数和(自身を除く): 180177720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1823, 1880, 1974, 2632, 2820, 3290, 3646, 3948, 4935, 5469, 5640, 6580, 7292, 7896, 9115, 9870, 10938, 12761, 13160, 14584, 18230, 19740, 21876, 25522, 27345, 36460, 38283, 39480, 43752, 51044, 54690, 63805, 72920, 76566, 85681, 102088, 109380, 127610, 153132, 171362, 191415, 218760, 255220, 257043, 306264, 342724, 382830, 428405, 510440, 514086, 599767, 685448, 765660, 856810, 1028172, 1199534, 1285215, 1531320, 1713620, 1799301, 2056344, 2399068, 2570430, 2998835, 3427240, 3598602, 4798136, 5140860, 5997670, 7197204, 8996505, 10281720, 11995340, 14394408, 17993010, 23990680, 35986020, 71972040]

約数ペア:

[(1, 71972040), (2, 35986020), (3, 23990680), (4, 17993010), (5, 14394408), (6, 11995340), (7, 10281720), (8, 8996505), (10, 7197204), (12, 5997670), (14, 5140860), (15, 4798136), (20, 3598602), (21, 3427240), (24, 2998835), (28, 2570430), (30, 2399068), (35, 2056344), (40, 1799301), (42, 1713620), (47, 1531320), (56, 1285215), (60, 1199534), (70, 1028172), (84, 856810), (94, 765660), (105, 685448), (120, 599767), (140, 514086), (141, 510440), (168, 428405), (188, 382830), (210, 342724), (235, 306264), (280, 257043), (282, 255220), (329, 218760), (376, 191415), (420, 171362), (470, 153132), (564, 127610), (658, 109380), (705, 102088), (840, 85681), (940, 76566), (987, 72920), (1128, 63805), (1316, 54690), (1410, 51044), (1645, 43752), (1823, 39480), (1880, 38283), (1974, 36460), (2632, 27345), (2820, 25522), (3290, 21876), (3646, 19740), (3948, 18230), (4935, 14584), (5469, 13160), (5640, 12761), (6580, 10938), (7292, 9870), (7896, 9115)]