268675880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 696729600

約数和(自身を除く): 428053720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 139, 184, 191, 220, 230, 253, 278, 382, 440, 460, 506, 556, 695, 764, 920, 955, 1012, 1112, 1265, 1390, 1528, 1529, 1910, 2024, 2101, 2530, 2780, 3058, 3197, 3820, 4202, 4393, 5060, 5560, 6116, 6394, 7640, 7645, 8404, 8786, 10120, 10505, 12232, 12788, 15290, 15985, 16808, 17572, 21010, 21965, 25576, 26549, 30580, 31970, 35144, 35167, 42020, 43930, 48323, 53098, 61160, 63940, 70334, 84040, 87860, 96646, 106196, 127880, 132745, 140668, 175720, 175835, 193292, 212392, 241615, 265490, 281336, 292039, 351670, 386584, 483230, 530980, 584078, 610627, 703340, 966460, 1061960, 1168156, 1221254, 1406680, 1460195, 1932920, 2336312, 2442508, 2920390, 3053135, 4885016, 5840780, 6106270, 6716897, 11681560, 12212540, 13433794, 24425080, 26867588, 33584485, 53735176, 67168970, 134337940, 268675880]

約数ペア:

[(1, 268675880), (2, 134337940), (4, 67168970), (5, 53735176), (8, 33584485), (10, 26867588), (11, 24425080), (20, 13433794), (22, 12212540), (23, 11681560), (40, 6716897), (44, 6106270), (46, 5840780), (55, 4885016), (88, 3053135), (92, 2920390), (110, 2442508), (115, 2336312), (139, 1932920), (184, 1460195), (191, 1406680), (220, 1221254), (230, 1168156), (253, 1061960), (278, 966460), (382, 703340), (440, 610627), (460, 584078), (506, 530980), (556, 483230), (695, 386584), (764, 351670), (920, 292039), (955, 281336), (1012, 265490), (1112, 241615), (1265, 212392), (1390, 193292), (1528, 175835), (1529, 175720), (1910, 140668), (2024, 132745), (2101, 127880), (2530, 106196), (2780, 96646), (3058, 87860), (3197, 84040), (3820, 70334), (4202, 63940), (4393, 61160), (5060, 53098), (5560, 48323), (6116, 43930), (6394, 42020), (7640, 35167), (7645, 35144), (8404, 31970), (8786, 30580), (10120, 26549), (10505, 25576), (12232, 21965), (12788, 21010), (15290, 17572), (15985, 16808)]