87999080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 138438040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 53, 62, 65, 103, 104, 106, 124, 130, 155, 206, 212, 248, 260, 265, 310, 403, 412, 424, 515, 520, 530, 620, 689, 806, 824, 1030, 1060, 1240, 1339, 1378, 1612, 1643, 2015, 2060, 2120, 2678, 2756, 3193, 3224, 3286, 3445, 4030, 4120, 5356, 5459, 5512, 6386, 6572, 6695, 6890, 8060, 8215, 10712, 10918, 12772, 13144, 13390, 13780, 15965, 16120, 16430, 21359, 21836, 25544, 26780, 27295, 27560, 31930, 32860, 41509, 42718, 43672, 53560, 54590, 63860, 65720, 70967, 83018, 85436, 106795, 109180, 127720, 141934, 166036, 169229, 170872, 207545, 213590, 218360, 283868, 332072, 338458, 354835, 415090, 427180, 567736, 676916, 709670, 830180, 846145, 854360, 1353832, 1419340, 1660360, 1692290, 2199977, 2838680, 3384580, 4399954, 6769160, 8799908, 10999885, 17599816, 21999770, 43999540, 87999080]

約数ペア:

[(1, 87999080), (2, 43999540), (4, 21999770), (5, 17599816), (8, 10999885), (10, 8799908), (13, 6769160), (20, 4399954), (26, 3384580), (31, 2838680), (40, 2199977), (52, 1692290), (53, 1660360), (62, 1419340), (65, 1353832), (103, 854360), (104, 846145), (106, 830180), (124, 709670), (130, 676916), (155, 567736), (206, 427180), (212, 415090), (248, 354835), (260, 338458), (265, 332072), (310, 283868), (403, 218360), (412, 213590), (424, 207545), (515, 170872), (520, 169229), (530, 166036), (620, 141934), (689, 127720), (806, 109180), (824, 106795), (1030, 85436), (1060, 83018), (1240, 70967), (1339, 65720), (1378, 63860), (1612, 54590), (1643, 53560), (2015, 43672), (2060, 42718), (2120, 41509), (2678, 32860), (2756, 31930), (3193, 27560), (3224, 27295), (3286, 26780), (3445, 25544), (4030, 21836), (4120, 21359), (5356, 16430), (5459, 16120), (5512, 15965), (6386, 13780), (6572, 13390), (6695, 13144), (6890, 12772), (8060, 10918), (8215, 10712)]