204642540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1216

約数の個数: 144

約数和(自身を含む): 666338400

約数和(自身を除く): 461695860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 477, 530, 570, 636, 684, 795, 855, 954, 1007, 1060, 1129, 1140, 1590, 1710, 1908, 2014, 2258, 2385, 3021, 3180, 3387, 3420, 4028, 4516, 4770, 5035, 5645, 6042, 6774, 9063, 9540, 10070, 10161, 11290, 12084, 13548, 15105, 16935, 18126, 20140, 20322, 21451, 22580, 30210, 33870, 36252, 40644, 42902, 45315, 50805, 59837, 60420, 64353, 67740, 85804, 90630, 101610, 107255, 119674, 128706, 179511, 181260, 193059, 203220, 214510, 239348, 257412, 299185, 321765, 359022, 386118, 429020, 538533, 598370, 643530, 718044, 772236, 897555, 965295, 1077066, 1136903, 1196740, 1287060, 1795110, 1930590, 2154132, 2273806, 2692665, 3410709, 3590220, 3861180, 4547612, 5385330, 5684515, 6821418, 10232127, 10770660, 11369030, 13642836, 17053545, 20464254, 22738060, 34107090, 40928508, 51160635, 68214180, 102321270, 204642540]

約数ペア:

[(1, 204642540), (2, 102321270), (3, 68214180), (4, 51160635), (5, 40928508), (6, 34107090), (9, 22738060), (10, 20464254), (12, 17053545), (15, 13642836), (18, 11369030), (19, 10770660), (20, 10232127), (30, 6821418), (36, 5684515), (38, 5385330), (45, 4547612), (53, 3861180), (57, 3590220), (60, 3410709), (76, 2692665), (90, 2273806), (95, 2154132), (106, 1930590), (114, 1795110), (159, 1287060), (171, 1196740), (180, 1136903), (190, 1077066), (212, 965295), (228, 897555), (265, 772236), (285, 718044), (318, 643530), (342, 598370), (380, 538533), (477, 429020), (530, 386118), (570, 359022), (636, 321765), (684, 299185), (795, 257412), (855, 239348), (954, 214510), (1007, 203220), (1060, 193059), (1129, 181260), (1140, 179511), (1590, 128706), (1710, 119674), (1908, 107255), (2014, 101610), (2258, 90630), (2385, 85804), (3021, 67740), (3180, 64353), (3387, 60420), (3420, 59837), (4028, 50805), (4516, 45315), (4770, 42902), (5035, 40644), (5645, 36252), (6042, 33870), (6774, 30210), (9063, 22580), (9540, 21451), (10070, 20322), (10161, 20140), (11290, 18126), (12084, 16935), (13548, 15105)]