820214100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1064

約数の個数: 180

約数和(自身を含む): 2686091100

約数和(自身を除く): 1865877000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 109, 135, 150, 162, 180, 218, 225, 270, 300, 324, 327, 405, 436, 450, 540, 545, 654, 675, 810, 900, 929, 981, 1090, 1308, 1350, 1620, 1635, 1858, 1962, 2025, 2180, 2700, 2725, 2787, 2943, 3270, 3716, 3924, 4050, 4645, 4905, 5450, 5574, 5886, 6540, 8100, 8175, 8361, 8829, 9290, 9810, 10900, 11148, 11772, 13935, 14715, 16350, 16722, 17658, 18580, 19620, 23225, 24525, 25083, 27870, 29430, 32700, 33444, 35316, 41805, 44145, 46450, 49050, 50166, 55740, 58860, 69675, 73575, 75249, 83610, 88290, 92900, 98100, 100332, 101261, 125415, 139350, 147150, 150498, 167220, 176580, 202522, 209025, 220725, 250830, 278700, 294300, 300996, 303783, 376245, 405044, 418050, 441450, 501660, 506305, 607566, 627075, 752490, 836100, 882900, 911349, 1012610, 1215132, 1254150, 1504980, 1518915, 1822698, 1881225, 2025220, 2508300, 2531525, 2734047, 3037830, 3645396, 3762450, 4556745, 5063050, 5468094, 6075660, 7524900, 7594575, 8202141, 9113490, 10126100, 10936188, 13670235, 15189150, 16404282, 18226980, 22783725, 27340470, 30378300, 32808564, 41010705, 45567450, 54680940, 68351175, 82021410, 91134900, 136702350, 164042820, 205053525, 273404700, 410107050, 820214100]

約数ペア:

[(1, 820214100), (2, 410107050), (3, 273404700), (4, 205053525), (5, 164042820), (6, 136702350), (9, 91134900), (10, 82021410), (12, 68351175), (15, 54680940), (18, 45567450), (20, 41010705), (25, 32808564), (27, 30378300), (30, 27340470), (36, 22783725), (45, 18226980), (50, 16404282), (54, 15189150), (60, 13670235), (75, 10936188), (81, 10126100), (90, 9113490), (100, 8202141), (108, 7594575), (109, 7524900), (135, 6075660), (150, 5468094), (162, 5063050), (180, 4556745), (218, 3762450), (225, 3645396), (270, 3037830), (300, 2734047), (324, 2531525), (327, 2508300), (405, 2025220), (436, 1881225), (450, 1822698), (540, 1518915), (545, 1504980), (654, 1254150), (675, 1215132), (810, 1012610), (900, 911349), (929, 882900), (981, 836100), (1090, 752490), (1308, 627075), (1350, 607566), (1620, 506305), (1635, 501660), (1858, 441450), (1962, 418050), (2025, 405044), (2180, 376245), (2700, 303783), (2725, 300996), (2787, 294300), (2943, 278700), (3270, 250830), (3716, 220725), (3924, 209025), (4050, 202522), (4645, 176580), (4905, 167220), (5450, 150498), (5574, 147150), (5886, 139350), (6540, 125415), (8100, 101261), (8175, 100332), (8361, 98100), (8829, 92900), (9290, 88290), (9810, 83610), (10900, 75249), (11148, 73575), (11772, 69675), (13935, 58860), (14715, 55740), (16350, 50166), (16722, 49050), (17658, 46450), (18580, 44145), (19620, 41805), (23225, 35316), (24525, 33444), (25083, 32700), (27870, 29430)]