18402720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5477}}^1$

素因数の和:5502

約数の個数: 96

約数和(自身を含む): 66261888

約数和(自身を除く): 47859168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5477, 10954, 16431, 21908, 27385, 32862, 38339, 43816, 54770, 65724, 76678, 82155, 87632, 109540, 115017, 131448, 153356, 164310, 175264, 191695, 219080, 230034, 262896, 306712, 328620, 383390, 438160, 460068, 525792, 575085, 613424, 657240, 766780, 876320, 920136, 1150170, 1226848, 1314480, 1533560, 1840272, 2300340, 2628960, 3067120, 3680544, 4600680, 6134240, 9201360, 18402720]

約数ペア:

[(1, 18402720), (2, 9201360), (3, 6134240), (4, 4600680), (5, 3680544), (6, 3067120), (7, 2628960), (8, 2300340), (10, 1840272), (12, 1533560), (14, 1314480), (15, 1226848), (16, 1150170), (20, 920136), (21, 876320), (24, 766780), (28, 657240), (30, 613424), (32, 575085), (35, 525792), (40, 460068), (42, 438160), (48, 383390), (56, 328620), (60, 306712), (70, 262896), (80, 230034), (84, 219080), (96, 191695), (105, 175264), (112, 164310), (120, 153356), (140, 131448), (160, 115017), (168, 109540), (210, 87632), (224, 82155), (240, 76678), (280, 65724), (336, 54770), (420, 43816), (480, 38339), (560, 32862), (672, 27385), (840, 21908), (1120, 16431), (1680, 10954), (3360, 5477)]