489951180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1381}}^1$

素因数の和:1478

約数の個数: 144

約数和(自身を含む): 1563473184

約数和(自身を除く): 1073522004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 243, 270, 292, 324, 365, 405, 438, 486, 540, 657, 730, 810, 876, 972, 1095, 1215, 1314, 1381, 1460, 1620, 1971, 2190, 2430, 2628, 2762, 3285, 3942, 4143, 4380, 4860, 5524, 5913, 6570, 6905, 7884, 8286, 9855, 11826, 12429, 13140, 13810, 16572, 17739, 19710, 20715, 23652, 24858, 27620, 29565, 35478, 37287, 39420, 41430, 49716, 59130, 62145, 70956, 74574, 82860, 88695, 100813, 111861, 118260, 124290, 149148, 177390, 186435, 201626, 223722, 248580, 302439, 335583, 354780, 372870, 403252, 447444, 504065, 559305, 604878, 671166, 745740, 907317, 1008130, 1118610, 1209756, 1342332, 1512195, 1677915, 1814634, 2016260, 2237220, 2721951, 3024390, 3355830, 3629268, 4536585, 5443902, 6048780, 6711660, 8165853, 9073170, 10887804, 13609755, 16331706, 18146340, 24497559, 27219510, 32663412, 40829265, 48995118, 54439020, 81658530, 97990236, 122487795, 163317060, 244975590, 489951180]

約数ペア:

[(1, 489951180), (2, 244975590), (3, 163317060), (4, 122487795), (5, 97990236), (6, 81658530), (9, 54439020), (10, 48995118), (12, 40829265), (15, 32663412), (18, 27219510), (20, 24497559), (27, 18146340), (30, 16331706), (36, 13609755), (45, 10887804), (54, 9073170), (60, 8165853), (73, 6711660), (81, 6048780), (90, 5443902), (108, 4536585), (135, 3629268), (146, 3355830), (162, 3024390), (180, 2721951), (219, 2237220), (243, 2016260), (270, 1814634), (292, 1677915), (324, 1512195), (365, 1342332), (405, 1209756), (438, 1118610), (486, 1008130), (540, 907317), (657, 745740), (730, 671166), (810, 604878), (876, 559305), (972, 504065), (1095, 447444), (1215, 403252), (1314, 372870), (1381, 354780), (1460, 335583), (1620, 302439), (1971, 248580), (2190, 223722), (2430, 201626), (2628, 186435), (2762, 177390), (3285, 149148), (3942, 124290), (4143, 118260), (4380, 111861), (4860, 100813), (5524, 88695), (5913, 82860), (6570, 74574), (6905, 70956), (7884, 62145), (8286, 59130), (9855, 49716), (11826, 41430), (12429, 39420), (13140, 37287), (13810, 35478), (16572, 29565), (17739, 27620), (19710, 24858), (20715, 23652)]