31478124720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18736979}}^1$

素因数の和:18737002

約数の個数: 80

約数和(自身を含む): 111522504960

約数和(自身を除く): 80044380240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18736979, 37473958, 56210937, 74947916, 93684895, 112421874, 131158853, 149895832, 187369790, 224843748, 262317706, 281054685, 299791664, 374739580, 393476559, 449687496, 524635412, 562109370, 655794265, 749479160, 786953118, 899374992, 1049270824, 1124218740, 1311588530, 1498958320, 1573906236, 1967382795, 2098541648, 2248437480, 2623177060, 3147812472, 3934765590, 4496874960, 5246354120, 6295624944, 7869531180, 10492708240, 15739062360, 31478124720]

約数ペア:

[(1, 31478124720), (2, 15739062360), (3, 10492708240), (4, 7869531180), (5, 6295624944), (6, 5246354120), (7, 4496874960), (8, 3934765590), (10, 3147812472), (12, 2623177060), (14, 2248437480), (15, 2098541648), (16, 1967382795), (20, 1573906236), (21, 1498958320), (24, 1311588530), (28, 1124218740), (30, 1049270824), (35, 899374992), (40, 786953118), (42, 749479160), (48, 655794265), (56, 562109370), (60, 524635412), (70, 449687496), (80, 393476559), (84, 374739580), (105, 299791664), (112, 281054685), (120, 262317706), (140, 224843748), (168, 187369790), (210, 149895832), (240, 131158853), (280, 112421874), (336, 93684895), (420, 74947916), (560, 56210937), (840, 37473958), (1680, 18736979)]