2813360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 7499520

約数和(自身を除く): 4686160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 139, 176, 184, 220, 230, 253, 278, 368, 440, 460, 506, 556, 695, 880, 920, 1012, 1112, 1265, 1390, 1529, 1840, 2024, 2224, 2530, 2780, 3058, 3197, 4048, 5060, 5560, 6116, 6394, 7645, 10120, 11120, 12232, 12788, 15290, 15985, 20240, 24464, 25576, 30580, 31970, 35167, 51152, 61160, 63940, 70334, 122320, 127880, 140668, 175835, 255760, 281336, 351670, 562672, 703340, 1406680, 2813360]

約数ペア:

[(1, 2813360), (2, 1406680), (4, 703340), (5, 562672), (8, 351670), (10, 281336), (11, 255760), (16, 175835), (20, 140668), (22, 127880), (23, 122320), (40, 70334), (44, 63940), (46, 61160), (55, 51152), (80, 35167), (88, 31970), (92, 30580), (110, 25576), (115, 24464), (139, 20240), (176, 15985), (184, 15290), (220, 12788), (230, 12232), (253, 11120), (278, 10120), (368, 7645), (440, 6394), (460, 6116), (506, 5560), (556, 5060), (695, 4048), (880, 3197), (920, 3058), (1012, 2780), (1112, 2530), (1265, 2224), (1390, 2024), (1529, 1840)]