81816420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2347}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 265079808

約数和(自身を除く): 183263388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2347, 2490, 2905, 3486, 4694, 4980, 5810, 6972, 7041, 8715, 9388, 11620, 11735, 14082, 16429, 17430, 23470, 28164, 32858, 34860, 35205, 46940, 49287, 65716, 70410, 82145, 98574, 140820, 164290, 194801, 197148, 246435, 328580, 389602, 492870, 584403, 779204, 974005, 985740, 1168806, 1363607, 1948010, 2337612, 2727214, 2922015, 3896020, 4090821, 5454428, 5844030, 6818035, 8181642, 11688060, 13636070, 16363284, 20454105, 27272140, 40908210, 81816420]

約数ペア:

[(1, 81816420), (2, 40908210), (3, 27272140), (4, 20454105), (5, 16363284), (6, 13636070), (7, 11688060), (10, 8181642), (12, 6818035), (14, 5844030), (15, 5454428), (20, 4090821), (21, 3896020), (28, 2922015), (30, 2727214), (35, 2337612), (42, 1948010), (60, 1363607), (70, 1168806), (83, 985740), (84, 974005), (105, 779204), (140, 584403), (166, 492870), (210, 389602), (249, 328580), (332, 246435), (415, 197148), (420, 194801), (498, 164290), (581, 140820), (830, 98574), (996, 82145), (1162, 70410), (1245, 65716), (1660, 49287), (1743, 46940), (2324, 35205), (2347, 34860), (2490, 32858), (2905, 28164), (3486, 23470), (4694, 17430), (4980, 16429), (5810, 14082), (6972, 11735), (7041, 11620), (8715, 9388)]