219521340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2698

約数の個数: 144

約数和(自身を含む): 731439072

約数和(自身を除く): 511917732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1215, 1377, 1530, 1620, 1836, 2295, 2430, 2657, 2754, 3060, 4131, 4590, 4860, 5314, 5508, 6885, 7971, 8262, 9180, 10628, 13285, 13770, 15942, 16524, 20655, 23913, 26570, 27540, 31884, 39855, 41310, 45169, 47826, 53140, 71739, 79710, 82620, 90338, 95652, 119565, 135507, 143478, 159420, 180676, 215217, 225845, 239130, 271014, 286956, 358695, 406521, 430434, 451690, 478260, 542028, 645651, 677535, 717390, 813042, 860868, 903380, 1076085, 1219563, 1291302, 1355070, 1434780, 1626084, 2032605, 2152170, 2439126, 2582604, 2710140, 3228255, 3658689, 4065210, 4304340, 4878252, 6097815, 6456510, 7317378, 8130420, 10976067, 12195630, 12913020, 14634756, 18293445, 21952134, 24391260, 36586890, 43904268, 54880335, 73173780, 109760670, 219521340]

約数ペア:

[(1, 219521340), (2, 109760670), (3, 73173780), (4, 54880335), (5, 43904268), (6, 36586890), (9, 24391260), (10, 21952134), (12, 18293445), (15, 14634756), (17, 12913020), (18, 12195630), (20, 10976067), (27, 8130420), (30, 7317378), (34, 6456510), (36, 6097815), (45, 4878252), (51, 4304340), (54, 4065210), (60, 3658689), (68, 3228255), (81, 2710140), (85, 2582604), (90, 2439126), (102, 2152170), (108, 2032605), (135, 1626084), (153, 1434780), (162, 1355070), (170, 1291302), (180, 1219563), (204, 1076085), (243, 903380), (255, 860868), (270, 813042), (306, 717390), (324, 677535), (340, 645651), (405, 542028), (459, 478260), (486, 451690), (510, 430434), (540, 406521), (612, 358695), (765, 286956), (810, 271014), (918, 239130), (972, 225845), (1020, 215217), (1215, 180676), (1377, 159420), (1530, 143478), (1620, 135507), (1836, 119565), (2295, 95652), (2430, 90338), (2657, 82620), (2754, 79710), (3060, 71739), (4131, 53140), (4590, 47826), (4860, 45169), (5314, 41310), (5508, 39855), (6885, 31884), (7971, 27540), (8262, 26570), (9180, 23913), (10628, 20655), (13285, 16524), (13770, 15942)]