16729279280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{489733}}^1$

素因数の和:489814

約数の個数: 80

約数和(自身を含む): 45180899904

約数和(自身を除く): 28451620624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 8540, 17080, 34160, 489733, 979466, 1958932, 2448665, 3428131, 3917864, 4897330, 6856262, 7835728, 9794660, 13712524, 17140655, 19589320, 27425048, 29873713, 34281310, 39178640, 54850096, 59747426, 68562620, 119494852, 137125240, 149368565, 209115991, 238989704, 274250480, 298737130, 418231982, 477979408, 597474260, 836463964, 1045579955, 1194948520, 1672927928, 2091159910, 2389897040, 3345855856, 4182319820, 8364639640, 16729279280]

約数ペア:

[(1, 16729279280), (2, 8364639640), (4, 4182319820), (5, 3345855856), (7, 2389897040), (8, 2091159910), (10, 1672927928), (14, 1194948520), (16, 1045579955), (20, 836463964), (28, 597474260), (35, 477979408), (40, 418231982), (56, 298737130), (61, 274250480), (70, 238989704), (80, 209115991), (112, 149368565), (122, 137125240), (140, 119494852), (244, 68562620), (280, 59747426), (305, 54850096), (427, 39178640), (488, 34281310), (560, 29873713), (610, 27425048), (854, 19589320), (976, 17140655), (1220, 13712524), (1708, 9794660), (2135, 7835728), (2440, 6856262), (3416, 4897330), (4270, 3917864), (4880, 3428131), (6832, 2448665), (8540, 1958932), (17080, 979466), (34160, 489733)]