19810614960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9171581}}^1$

素因数の和:9171603

約数の個数: 80

約数和(自身を含む): 68236570080

約数和(自身を除く): 48425955120

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, 9171581, 18343162, 27514743, 36686324, 45857905, 55029486, 73372648, 82544229, 91715810, 110058972, 137573715, 146745296, 165088458, 183431620, 220117944, 247632687, 275147430, 330176916, 366863240, 412721145, 440235888, 495265374, 550294860, 660353832, 733726480, 825442290, 990530748, 1100589720, 1238163435, 1320707664, 1650884580, 1981061496, 2201179440, 2476326870, 3301769160, 3962122992, 4952653740, 6603538320, 9905307480, 19810614960]

約数ペア:

[(1, 19810614960), (2, 9905307480), (3, 6603538320), (4, 4952653740), (5, 3962122992), (6, 3301769160), (8, 2476326870), (9, 2201179440), (10, 1981061496), (12, 1650884580), (15, 1320707664), (16, 1238163435), (18, 1100589720), (20, 990530748), (24, 825442290), (27, 733726480), (30, 660353832), (36, 550294860), (40, 495265374), (45, 440235888), (48, 412721145), (54, 366863240), (60, 330176916), (72, 275147430), (80, 247632687), (90, 220117944), (108, 183431620), (120, 165088458), (135, 146745296), (144, 137573715), (180, 110058972), (216, 91715810), (240, 82544229), (270, 73372648), (360, 55029486), (432, 45857905), (540, 36686324), (720, 27514743), (1080, 18343162), (2160, 9171581)]