215578020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 739791360

約数和(自身を除く): 524213340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 109, 119, 140, 170, 204, 210, 218, 238, 255, 277, 327, 340, 357, 420, 436, 476, 510, 545, 554, 595, 654, 714, 763, 831, 1020, 1090, 1108, 1190, 1308, 1385, 1428, 1526, 1635, 1662, 1785, 1853, 1939, 2180, 2289, 2380, 2770, 3052, 3270, 3324, 3570, 3706, 3815, 3878, 4155, 4578, 4709, 5540, 5559, 5817, 6540, 7140, 7412, 7630, 7756, 8310, 9156, 9265, 9418, 9695, 11118, 11445, 11634, 12971, 14127, 15260, 16620, 18530, 18836, 19390, 22236, 22890, 23268, 23545, 25942, 27795, 28254, 29085, 30193, 32963, 37060, 38780, 38913, 45780, 47090, 51884, 55590, 56508, 58170, 60386, 64855, 65926, 70635, 77826, 90579, 94180, 98889, 111180, 116340, 120772, 129710, 131852, 141270, 150965, 155652, 164815, 181158, 194565, 197778, 211351, 259420, 282540, 301930, 329630, 362316, 389130, 395556, 422702, 452895, 494445, 513281, 603860, 634053, 659260, 778260, 845404, 905790, 988890, 1026562, 1056755, 1268106, 1539843, 1811580, 1977780, 2053124, 2113510, 2536212, 2566405, 3079686, 3170265, 3592967, 4227020, 5132810, 6159372, 6340530, 7185934, 7699215, 10265620, 10778901, 12681060, 14371868, 15398430, 17964835, 21557802, 30796860, 35929670, 43115604, 53894505, 71859340, 107789010, 215578020]

約数ペア:

[(1, 215578020), (2, 107789010), (3, 71859340), (4, 53894505), (5, 43115604), (6, 35929670), (7, 30796860), (10, 21557802), (12, 17964835), (14, 15398430), (15, 14371868), (17, 12681060), (20, 10778901), (21, 10265620), (28, 7699215), (30, 7185934), (34, 6340530), (35, 6159372), (42, 5132810), (51, 4227020), (60, 3592967), (68, 3170265), (70, 3079686), (84, 2566405), (85, 2536212), (102, 2113510), (105, 2053124), (109, 1977780), (119, 1811580), (140, 1539843), (170, 1268106), (204, 1056755), (210, 1026562), (218, 988890), (238, 905790), (255, 845404), (277, 778260), (327, 659260), (340, 634053), (357, 603860), (420, 513281), (436, 494445), (476, 452895), (510, 422702), (545, 395556), (554, 389130), (595, 362316), (654, 329630), (714, 301930), (763, 282540), (831, 259420), (1020, 211351), (1090, 197778), (1108, 194565), (1190, 181158), (1308, 164815), (1385, 155652), (1428, 150965), (1526, 141270), (1635, 131852), (1662, 129710), (1785, 120772), (1853, 116340), (1939, 111180), (2180, 98889), (2289, 94180), (2380, 90579), (2770, 77826), (3052, 70635), (3270, 65926), (3324, 64855), (3570, 60386), (3706, 58170), (3815, 56508), (3878, 55590), (4155, 51884), (4578, 47090), (4709, 45780), (5540, 38913), (5559, 38780), (5817, 37060), (6540, 32963), (7140, 30193), (7412, 29085), (7630, 28254), (7756, 27795), (8310, 25942), (9156, 23545), (9265, 23268), (9418, 22890), (9695, 22236), (11118, 19390), (11445, 18836), (11634, 18530), (12971, 16620), (14127, 15260)]