128547360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89269}}^1$

素因数の和:89290

約数の個数: 72

約数和(自身を含む): 438672780

約数和(自身を除く): 310125420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89269, 178538, 267807, 357076, 446345, 535614, 714152, 803421, 892690, 1071228, 1339035, 1428304, 1606842, 1785380, 2142456, 2678070, 2856608, 3213684, 3570760, 4017105, 4284912, 5356140, 6427368, 7141520, 8034210, 8569824, 10712280, 12854736, 14283040, 16068420, 21424560, 25709472, 32136840, 42849120, 64273680, 128547360]

約数ペア:

[(1, 128547360), (2, 64273680), (3, 42849120), (4, 32136840), (5, 25709472), (6, 21424560), (8, 16068420), (9, 14283040), (10, 12854736), (12, 10712280), (15, 8569824), (16, 8034210), (18, 7141520), (20, 6427368), (24, 5356140), (30, 4284912), (32, 4017105), (36, 3570760), (40, 3213684), (45, 2856608), (48, 2678070), (60, 2142456), (72, 1785380), (80, 1606842), (90, 1428304), (96, 1339035), (120, 1071228), (144, 892690), (160, 803421), (180, 714152), (240, 535614), (288, 446345), (360, 357076), (480, 267807), (720, 178538), (1440, 89269)]