490886280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1748

約数の個数: 192

約数和(自身を含む): 1719432000

約数和(自身を除く): 1228545720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 57, 60, 72, 76, 86, 90, 95, 114, 120, 129, 152, 171, 172, 180, 190, 215, 228, 258, 285, 342, 344, 360, 380, 387, 430, 456, 516, 570, 645, 684, 760, 774, 817, 855, 860, 1032, 1140, 1290, 1368, 1548, 1634, 1669, 1710, 1720, 1935, 2280, 2451, 2580, 3096, 3268, 3338, 3420, 3870, 4085, 4902, 5007, 5160, 6536, 6676, 6840, 7353, 7740, 8170, 8345, 9804, 10014, 12255, 13352, 14706, 15021, 15480, 16340, 16690, 19608, 20028, 24510, 25035, 29412, 30042, 31711, 32680, 33380, 36765, 40056, 49020, 50070, 58824, 60084, 63422, 66760, 71767, 73530, 75105, 95133, 98040, 100140, 120168, 126844, 143534, 147060, 150210, 158555, 190266, 200280, 215301, 253688, 285399, 287068, 294120, 300420, 317110, 358835, 380532, 430602, 475665, 570798, 574136, 600840, 634220, 645903, 717670, 761064, 861204, 951330, 1076505, 1141596, 1268440, 1291806, 1363573, 1426995, 1435340, 1722408, 1902660, 2153010, 2283192, 2583612, 2727146, 2853990, 2870680, 3229515, 3805320, 4090719, 4306020, 5167224, 5454292, 5707980, 6459030, 6817865, 8181438, 8612040, 10908584, 11415960, 12272157, 12918060, 13635730, 16362876, 20453595, 24544314, 25836120, 27271460, 32725752, 40907190, 49088628, 54542920, 61360785, 81814380, 98177256, 122721570, 163628760, 245443140, 490886280]

約数ペア:

[(1, 490886280), (2, 245443140), (3, 163628760), (4, 122721570), (5, 98177256), (6, 81814380), (8, 61360785), (9, 54542920), (10, 49088628), (12, 40907190), (15, 32725752), (18, 27271460), (19, 25836120), (20, 24544314), (24, 20453595), (30, 16362876), (36, 13635730), (38, 12918060), (40, 12272157), (43, 11415960), (45, 10908584), (57, 8612040), (60, 8181438), (72, 6817865), (76, 6459030), (86, 5707980), (90, 5454292), (95, 5167224), (114, 4306020), (120, 4090719), (129, 3805320), (152, 3229515), (171, 2870680), (172, 2853990), (180, 2727146), (190, 2583612), (215, 2283192), (228, 2153010), (258, 1902660), (285, 1722408), (342, 1435340), (344, 1426995), (360, 1363573), (380, 1291806), (387, 1268440), (430, 1141596), (456, 1076505), (516, 951330), (570, 861204), (645, 761064), (684, 717670), (760, 645903), (774, 634220), (817, 600840), (855, 574136), (860, 570798), (1032, 475665), (1140, 430602), (1290, 380532), (1368, 358835), (1548, 317110), (1634, 300420), (1669, 294120), (1710, 287068), (1720, 285399), (1935, 253688), (2280, 215301), (2451, 200280), (2580, 190266), (3096, 158555), (3268, 150210), (3338, 147060), (3420, 143534), (3870, 126844), (4085, 120168), (4902, 100140), (5007, 98040), (5160, 95133), (6536, 75105), (6676, 73530), (6840, 71767), (7353, 66760), (7740, 63422), (8170, 60084), (8345, 58824), (9804, 50070), (10014, 49020), (12255, 40056), (13352, 36765), (14706, 33380), (15021, 32680), (15480, 31711), (16340, 30042), (16690, 29412), (19608, 25035), (20028, 24510)]