1890621720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{403979}}^1$

素因数の和:404009

約数の個数: 96

約数和(自身を含む): 6617192400

約数和(自身を除く): 4726570680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 403979, 807958, 1211937, 1615916, 2019895, 2423874, 3231832, 3635811, 4039790, 4847748, 5251727, 6059685, 7271622, 8079580, 9695496, 10503454, 12119370, 14543244, 15755181, 16159160, 18179055, 21006908, 24238740, 26258635, 29086488, 31510362, 36358110, 42013816, 47265543, 48477480, 52517270, 63020724, 72716220, 78775905, 94531086, 105034540, 126041448, 145432440, 157551810, 189062172, 210069080, 236327715, 315103620, 378124344, 472655430, 630207240, 945310860, 1890621720]

約数ペア:

[(1, 1890621720), (2, 945310860), (3, 630207240), (4, 472655430), (5, 378124344), (6, 315103620), (8, 236327715), (9, 210069080), (10, 189062172), (12, 157551810), (13, 145432440), (15, 126041448), (18, 105034540), (20, 94531086), (24, 78775905), (26, 72716220), (30, 63020724), (36, 52517270), (39, 48477480), (40, 47265543), (45, 42013816), (52, 36358110), (60, 31510362), (65, 29086488), (72, 26258635), (78, 24238740), (90, 21006908), (104, 18179055), (117, 16159160), (120, 15755181), (130, 14543244), (156, 12119370), (180, 10503454), (195, 9695496), (234, 8079580), (260, 7271622), (312, 6059685), (360, 5251727), (390, 4847748), (468, 4039790), (520, 3635811), (585, 3231832), (780, 2423874), (936, 2019895), (1170, 1615916), (1560, 1211937), (2340, 807958), (4680, 403979)]