21888360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1592

約数の個数: 128

約数和(自身を含む): 78624000

約数和(自身を除く): 56735640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1559, 1560, 1755, 2340, 2808, 3118, 3510, 4677, 4680, 6236, 7020, 7795, 9354, 12472, 14031, 14040, 15590, 18708, 20267, 23385, 28062, 31180, 37416, 40534, 42093, 46770, 56124, 60801, 62360, 70155, 81068, 84186, 93540, 101335, 112248, 121602, 140310, 162136, 168372, 182403, 187080, 202670, 210465, 243204, 280620, 304005, 336744, 364806, 405340, 420930, 486408, 547209, 561240, 608010, 729612, 810680, 841860, 912015, 1094418, 1216020, 1459224, 1683720, 1824030, 2188836, 2432040, 2736045, 3648060, 4377672, 5472090, 7296120, 10944180, 21888360]

約数ペア:

[(1, 21888360), (2, 10944180), (3, 7296120), (4, 5472090), (5, 4377672), (6, 3648060), (8, 2736045), (9, 2432040), (10, 2188836), (12, 1824030), (13, 1683720), (15, 1459224), (18, 1216020), (20, 1094418), (24, 912015), (26, 841860), (27, 810680), (30, 729612), (36, 608010), (39, 561240), (40, 547209), (45, 486408), (52, 420930), (54, 405340), (60, 364806), (65, 336744), (72, 304005), (78, 280620), (90, 243204), (104, 210465), (108, 202670), (117, 187080), (120, 182403), (130, 168372), (135, 162136), (156, 140310), (180, 121602), (195, 112248), (216, 101335), (234, 93540), (260, 84186), (270, 81068), (312, 70155), (351, 62360), (360, 60801), (390, 56124), (468, 46770), (520, 42093), (540, 40534), (585, 37416), (702, 31180), (780, 28062), (936, 23385), (1080, 20267), (1170, 18708), (1404, 15590), (1559, 14040), (1560, 14031), (1755, 12472), (2340, 9354), (2808, 7795), (3118, 7020), (3510, 6236), (4677, 4680)]