1228788990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:655

約数の個数: 192

約数和(自身を含む): 3777725952

約数和(自身を除く): 2548936962

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 307, 311, 330, 390, 429, 495, 585, 614, 622, 715, 858, 921, 933, 990, 1170, 1287, 1430, 1535, 1555, 1842, 1866, 2145, 2574, 2763, 2799, 3070, 3110, 3377, 3421, 3991, 4043, 4290, 4605, 4665, 5526, 5598, 6435, 6754, 6842, 7982, 8086, 9210, 9330, 10131, 10263, 11973, 12129, 12870, 13815, 13995, 16885, 17105, 19955, 20215, 20262, 20526, 23946, 24258, 27630, 27990, 30393, 30789, 33770, 34210, 35919, 36387, 39910, 40430, 43901, 44473, 50655, 51315, 59865, 60645, 60786, 61578, 71838, 72774, 87802, 88946, 95477, 101310, 102630, 119730, 121290, 131703, 133419, 151965, 153945, 179595, 181935, 190954, 219505, 222365, 263406, 266838, 286431, 303930, 307890, 359190, 363870, 395109, 400257, 439010, 444730, 477385, 572862, 658515, 667095, 790218, 800514, 859293, 954770, 1050247, 1241201, 1317030, 1334190, 1432155, 1718586, 1975545, 2001285, 2100494, 2482402, 2864310, 3150741, 3723603, 3951090, 4002570, 4296465, 5251235, 6206005, 6301482, 7447206, 8592930, 9452223, 10502470, 11170809, 12412010, 13653211, 15753705, 18618015, 18904446, 22341618, 27306422, 31507410, 37236030, 40959633, 47261115, 55854045, 68266055, 81919266, 94522230, 111708090, 122878899, 136532110, 204798165, 245757798, 409596330, 614394495, 1228788990]

約数ペア:

[(1, 1228788990), (2, 614394495), (3, 409596330), (5, 245757798), (6, 204798165), (9, 136532110), (10, 122878899), (11, 111708090), (13, 94522230), (15, 81919266), (18, 68266055), (22, 55854045), (26, 47261115), (30, 40959633), (33, 37236030), (39, 31507410), (45, 27306422), (55, 22341618), (65, 18904446), (66, 18618015), (78, 15753705), (90, 13653211), (99, 12412010), (110, 11170809), (117, 10502470), (130, 9452223), (143, 8592930), (165, 7447206), (195, 6301482), (198, 6206005), (234, 5251235), (286, 4296465), (307, 4002570), (311, 3951090), (330, 3723603), (390, 3150741), (429, 2864310), (495, 2482402), (585, 2100494), (614, 2001285), (622, 1975545), (715, 1718586), (858, 1432155), (921, 1334190), (933, 1317030), (990, 1241201), (1170, 1050247), (1287, 954770), (1430, 859293), (1535, 800514), (1555, 790218), (1842, 667095), (1866, 658515), (2145, 572862), (2574, 477385), (2763, 444730), (2799, 439010), (3070, 400257), (3110, 395109), (3377, 363870), (3421, 359190), (3991, 307890), (4043, 303930), (4290, 286431), (4605, 266838), (4665, 263406), (5526, 222365), (5598, 219505), (6435, 190954), (6754, 181935), (6842, 179595), (7982, 153945), (8086, 151965), (9210, 133419), (9330, 131703), (10131, 121290), (10263, 119730), (11973, 102630), (12129, 101310), (12870, 95477), (13815, 88946), (13995, 87802), (16885, 72774), (17105, 71838), (19955, 61578), (20215, 60786), (20262, 60645), (20526, 59865), (23946, 51315), (24258, 50655), (27630, 44473), (27990, 43901), (30393, 40430), (30789, 39910), (33770, 36387), (34210, 35919)]