19891440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9209}}^1$

素因数の和:9231

約数の個数: 80

約数和(自身を含む): 68522400

約数和(自身を除く): 48630960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9209, 18418, 27627, 36836, 46045, 55254, 73672, 82881, 92090, 110508, 138135, 147344, 165762, 184180, 221016, 248643, 276270, 331524, 368360, 414405, 442032, 497286, 552540, 663048, 736720, 828810, 994572, 1105080, 1243215, 1326096, 1657620, 1989144, 2210160, 2486430, 3315240, 3978288, 4972860, 6630480, 9945720, 19891440]

約数ペア:

[(1, 19891440), (2, 9945720), (3, 6630480), (4, 4972860), (5, 3978288), (6, 3315240), (8, 2486430), (9, 2210160), (10, 1989144), (12, 1657620), (15, 1326096), (16, 1243215), (18, 1105080), (20, 994572), (24, 828810), (27, 736720), (30, 663048), (36, 552540), (40, 497286), (45, 442032), (48, 414405), (54, 368360), (60, 331524), (72, 276270), (80, 248643), (90, 221016), (108, 184180), (120, 165762), (135, 147344), (144, 138135), (180, 110508), (216, 92090), (240, 82881), (270, 73672), (360, 55254), (432, 46045), (540, 36836), (720, 27627), (1080, 18418), (2160, 9209)]