1289237160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631979}}^1$

素因数の和:632010

約数の個数: 64

約数和(自身を含む): 4095230400

約数和(自身を除く): 2805993240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 631979, 1263958, 1895937, 2527916, 3159895, 3791874, 5055832, 6319790, 7583748, 9479685, 10743643, 12639580, 15167496, 18959370, 21487286, 25279160, 32230929, 37918740, 42974572, 53718215, 64461858, 75837480, 85949144, 107436430, 128923716, 161154645, 214872860, 257847432, 322309290, 429745720, 644618580, 1289237160]

約数ペア:

[(1, 1289237160), (2, 644618580), (3, 429745720), (4, 322309290), (5, 257847432), (6, 214872860), (8, 161154645), (10, 128923716), (12, 107436430), (15, 85949144), (17, 75837480), (20, 64461858), (24, 53718215), (30, 42974572), (34, 37918740), (40, 32230929), (51, 25279160), (60, 21487286), (68, 18959370), (85, 15167496), (102, 12639580), (120, 10743643), (136, 9479685), (170, 7583748), (204, 6319790), (255, 5055832), (340, 3791874), (408, 3159895), (510, 2527916), (680, 1895937), (1020, 1263958), (2040, 631979)]