290240720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 879372288

約数和(自身を除く): 589131568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 53, 55, 56, 70, 77, 80, 88, 98, 106, 110, 112, 127, 140, 154, 176, 196, 212, 220, 245, 254, 265, 280, 308, 371, 385, 392, 424, 440, 490, 508, 530, 539, 560, 583, 616, 635, 742, 770, 784, 848, 880, 889, 980, 1016, 1060, 1078, 1166, 1232, 1270, 1397, 1484, 1540, 1778, 1855, 1960, 2032, 2120, 2156, 2332, 2540, 2597, 2695, 2794, 2915, 2968, 3080, 3556, 3710, 3920, 4081, 4240, 4312, 4445, 4664, 5080, 5194, 5390, 5588, 5830, 5936, 6160, 6223, 6731, 6985, 7112, 7420, 8162, 8624, 8890, 9328, 9779, 10160, 10388, 10780, 11176, 11660, 12446, 12985, 13462, 13970, 14224, 14840, 16324, 17780, 19558, 20405, 20776, 21560, 22352, 23320, 24892, 25970, 26924, 27940, 28567, 29680, 31115, 32648, 33655, 35560, 39116, 40810, 41552, 43120, 46640, 47117, 48895, 49784, 51940, 53848, 55880, 57134, 62230, 65296, 67310, 68453, 71120, 74041, 78232, 81620, 94234, 97790, 99568, 103880, 107696, 111760, 114268, 124460, 134620, 136906, 142835, 148082, 156464, 163240, 188468, 195580, 207760, 228536, 235585, 248920, 269240, 273812, 285670, 296164, 326480, 329819, 342265, 370205, 376936, 391160, 457072, 471170, 497840, 518287, 538480, 547624, 571340, 592328, 659638, 684530, 740410, 753872, 782320, 942340, 1036574, 1095248, 1142680, 1184656, 1319276, 1369060, 1480820, 1649095, 1884680, 2073148, 2285360, 2591435, 2638552, 2738120, 2961640, 3298190, 3628009, 3769360, 4146296, 5182870, 5277104, 5476240, 5923280, 6596380, 7256018, 8292592, 10365740, 13192760, 14512036, 18140045, 20731480, 26385520, 29024072, 36280090, 41462960, 58048144, 72560180, 145120360, 290240720]

約数ペア:

[(1, 290240720), (2, 145120360), (4, 72560180), (5, 58048144), (7, 41462960), (8, 36280090), (10, 29024072), (11, 26385520), (14, 20731480), (16, 18140045), (20, 14512036), (22, 13192760), (28, 10365740), (35, 8292592), (40, 7256018), (44, 6596380), (49, 5923280), (53, 5476240), (55, 5277104), (56, 5182870), (70, 4146296), (77, 3769360), (80, 3628009), (88, 3298190), (98, 2961640), (106, 2738120), (110, 2638552), (112, 2591435), (127, 2285360), (140, 2073148), (154, 1884680), (176, 1649095), (196, 1480820), (212, 1369060), (220, 1319276), (245, 1184656), (254, 1142680), (265, 1095248), (280, 1036574), (308, 942340), (371, 782320), (385, 753872), (392, 740410), (424, 684530), (440, 659638), (490, 592328), (508, 571340), (530, 547624), (539, 538480), (560, 518287), (583, 497840), (616, 471170), (635, 457072), (742, 391160), (770, 376936), (784, 370205), (848, 342265), (880, 329819), (889, 326480), (980, 296164), (1016, 285670), (1060, 273812), (1078, 269240), (1166, 248920), (1232, 235585), (1270, 228536), (1397, 207760), (1484, 195580), (1540, 188468), (1778, 163240), (1855, 156464), (1960, 148082), (2032, 142835), (2120, 136906), (2156, 134620), (2332, 124460), (2540, 114268), (2597, 111760), (2695, 107696), (2794, 103880), (2915, 99568), (2968, 97790), (3080, 94234), (3556, 81620), (3710, 78232), (3920, 74041), (4081, 71120), (4240, 68453), (4312, 67310), (4445, 65296), (4664, 62230), (5080, 57134), (5194, 55880), (5390, 53848), (5588, 51940), (5830, 49784), (5936, 48895), (6160, 47117), (6223, 46640), (6731, 43120), (6985, 41552), (7112, 40810), (7420, 39116), (8162, 35560), (8624, 33655), (8890, 32648), (9328, 31115), (9779, 29680), (10160, 28567), (10388, 27940), (10780, 26924), (11176, 25970), (11660, 24892), (12446, 23320), (12985, 22352), (13462, 21560), (13970, 20776), (14224, 20405), (14840, 19558), (16324, 17780)]