131516640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{91331}}^1$

素因数の和:91352

約数の個数: 72

約数和(自身を含む): 448805448

約数和(自身を除く): 317288808

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, 91331, 182662, 273993, 365324, 456655, 547986, 730648, 821979, 913310, 1095972, 1369965, 1461296, 1643958, 1826620, 2191944, 2739930, 2922592, 3287916, 3653240, 4109895, 4383888, 5479860, 6575832, 7306480, 8219790, 8767776, 10959720, 13151664, 14612960, 16439580, 21919440, 26303328, 32879160, 43838880, 65758320, 131516640]

約数ペア:

[(1, 131516640), (2, 65758320), (3, 43838880), (4, 32879160), (5, 26303328), (6, 21919440), (8, 16439580), (9, 14612960), (10, 13151664), (12, 10959720), (15, 8767776), (16, 8219790), (18, 7306480), (20, 6575832), (24, 5479860), (30, 4383888), (32, 4109895), (36, 3653240), (40, 3287916), (45, 2922592), (48, 2739930), (60, 2191944), (72, 1826620), (80, 1643958), (90, 1461296), (96, 1369965), (120, 1095972), (144, 913310), (160, 821979), (180, 730648), (240, 547986), (288, 456655), (360, 365324), (480, 273993), (720, 182662), (1440, 91331)]