2540742540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2207}}^1\times {\mathrm{2741}}^1$

素因数の和:4967

約数の個数: 96

約数和(自身を含む): 8137027584

約数和(自身を除く): 5596285044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2207, 2741, 4414, 5482, 6621, 8223, 8828, 10964, 11035, 13242, 13705, 15449, 16446, 19187, 22070, 26484, 27410, 30898, 32892, 33105, 38374, 41115, 44140, 46347, 54820, 57561, 61796, 66210, 76748, 77245, 82230, 92694, 95935, 115122, 132420, 154490, 164460, 185388, 191870, 230244, 231735, 287805, 308980, 383740, 463470, 575610, 926940, 1151220, 6049387, 12098774, 18148161, 24197548, 30246935, 36296322, 42345709, 60493870, 72592644, 84691418, 90740805, 120987740, 127037127, 169382836, 181481610, 211728545, 254074254, 362963220, 423457090, 508148508, 635185635, 846914180, 1270371270, 2540742540]

約数ペア:

[(1, 2540742540), (2, 1270371270), (3, 846914180), (4, 635185635), (5, 508148508), (6, 423457090), (7, 362963220), (10, 254074254), (12, 211728545), (14, 181481610), (15, 169382836), (20, 127037127), (21, 120987740), (28, 90740805), (30, 84691418), (35, 72592644), (42, 60493870), (60, 42345709), (70, 36296322), (84, 30246935), (105, 24197548), (140, 18148161), (210, 12098774), (420, 6049387), (2207, 1151220), (2741, 926940), (4414, 575610), (5482, 463470), (6621, 383740), (8223, 308980), (8828, 287805), (10964, 231735), (11035, 230244), (13242, 191870), (13705, 185388), (15449, 164460), (16446, 154490), (19187, 132420), (22070, 115122), (26484, 95935), (27410, 92694), (30898, 82230), (32892, 77245), (33105, 76748), (38374, 66210), (41115, 61796), (44140, 57561), (46347, 54820)]