1261891728

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:837

約数の個数: 120

約数和(自身を含む): 3596049600

約数和(自身を除く): 2334157872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 149, 206, 298, 309, 412, 447, 571, 596, 618, 824, 894, 927, 1142, 1192, 1236, 1341, 1648, 1713, 1788, 1854, 2284, 2384, 2472, 2682, 3426, 3576, 3708, 4568, 4944, 5139, 5364, 6852, 7152, 7416, 9136, 10278, 10728, 13704, 14832, 15347, 20556, 21456, 27408, 30694, 41112, 46041, 58813, 61388, 82224, 85079, 92082, 117626, 122776, 138123, 170158, 176439, 184164, 235252, 245552, 255237, 276246, 340316, 352878, 368328, 470504, 510474, 529317, 552492, 680632, 705756, 736656, 765711, 941008, 1020948, 1058634, 1104984, 1361264, 1411512, 1531422, 2041896, 2117268, 2209968, 2823024, 3062844, 4083792, 4234536, 6125688, 8469072, 8763137, 12251376, 17526274, 26289411, 35052548, 52578822, 70105096, 78868233, 105157644, 140210192, 157736466, 210315288, 315472932, 420630576, 630945864, 1261891728]

約数ペア:

[(1, 1261891728), (2, 630945864), (3, 420630576), (4, 315472932), (6, 210315288), (8, 157736466), (9, 140210192), (12, 105157644), (16, 78868233), (18, 70105096), (24, 52578822), (36, 35052548), (48, 26289411), (72, 17526274), (103, 12251376), (144, 8763137), (149, 8469072), (206, 6125688), (298, 4234536), (309, 4083792), (412, 3062844), (447, 2823024), (571, 2209968), (596, 2117268), (618, 2041896), (824, 1531422), (894, 1411512), (927, 1361264), (1142, 1104984), (1192, 1058634), (1236, 1020948), (1341, 941008), (1648, 765711), (1713, 736656), (1788, 705756), (1854, 680632), (2284, 552492), (2384, 529317), (2472, 510474), (2682, 470504), (3426, 368328), (3576, 352878), (3708, 340316), (4568, 276246), (4944, 255237), (5139, 245552), (5364, 235252), (6852, 184164), (7152, 176439), (7416, 170158), (9136, 138123), (10278, 122776), (10728, 117626), (13704, 92082), (14832, 85079), (15347, 82224), (20556, 61388), (21456, 58813), (27408, 46041), (30694, 41112)]