1261897280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{919}}^1$

素因数の和:1556

約数の個数: 112

約数和(自身を含む): 3443508480

約数和(自身を除く): 2181611200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 613, 919, 1120, 1226, 1838, 2240, 2452, 3065, 3676, 4291, 4595, 4904, 6130, 6433, 7352, 8582, 9190, 9808, 12260, 12866, 14704, 17164, 18380, 19616, 21455, 24520, 25732, 29408, 32165, 34328, 36760, 39232, 42910, 49040, 51464, 58816, 64330, 68656, 73520, 85820, 98080, 102928, 128660, 137312, 147040, 171640, 196160, 205856, 257320, 274624, 294080, 343280, 411712, 514640, 563347, 686560, 1029280, 1126694, 1373120, 2058560, 2253388, 2816735, 3943429, 4506776, 5633470, 7886858, 9013552, 11266940, 15773716, 18027104, 19717145, 22533880, 31547432, 36054208, 39434290, 45067760, 63094864, 78868580, 90135520, 126189728, 157737160, 180271040, 252379456, 315474320, 630948640, 1261897280]

約数ペア:

[(1, 1261897280), (2, 630948640), (4, 315474320), (5, 252379456), (7, 180271040), (8, 157737160), (10, 126189728), (14, 90135520), (16, 78868580), (20, 63094864), (28, 45067760), (32, 39434290), (35, 36054208), (40, 31547432), (56, 22533880), (64, 19717145), (70, 18027104), (80, 15773716), (112, 11266940), (140, 9013552), (160, 7886858), (224, 5633470), (280, 4506776), (320, 3943429), (448, 2816735), (560, 2253388), (613, 2058560), (919, 1373120), (1120, 1126694), (1226, 1029280), (1838, 686560), (2240, 563347), (2452, 514640), (3065, 411712), (3676, 343280), (4291, 294080), (4595, 274624), (4904, 257320), (6130, 205856), (6433, 196160), (7352, 171640), (8582, 147040), (9190, 137312), (9808, 128660), (12260, 102928), (12866, 98080), (14704, 85820), (17164, 73520), (18380, 68656), (19616, 64330), (21455, 58816), (24520, 51464), (25732, 49040), (29408, 42910), (32165, 39232), (34328, 36760)]