217878960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69833}}^1$

素因数の和:69862

約数の個数: 80

約数和(自身を含む): 727390944

約数和(自身を除く): 509511984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 69833, 139666, 209499, 279332, 349165, 418998, 558664, 698330, 837996, 907829, 1047495, 1117328, 1396660, 1675992, 1815658, 2094990, 2723487, 2793320, 3351984, 3631316, 4189980, 4539145, 5446974, 5586640, 7262632, 8379960, 9078290, 10893948, 13617435, 14525264, 16759920, 18156580, 21787896, 27234870, 36313160, 43575792, 54469740, 72626320, 108939480, 217878960]

約数ペア:

[(1, 217878960), (2, 108939480), (3, 72626320), (4, 54469740), (5, 43575792), (6, 36313160), (8, 27234870), (10, 21787896), (12, 18156580), (13, 16759920), (15, 14525264), (16, 13617435), (20, 10893948), (24, 9078290), (26, 8379960), (30, 7262632), (39, 5586640), (40, 5446974), (48, 4539145), (52, 4189980), (60, 3631316), (65, 3351984), (78, 2793320), (80, 2723487), (104, 2094990), (120, 1815658), (130, 1675992), (156, 1396660), (195, 1117328), (208, 1047495), (240, 907829), (260, 837996), (312, 698330), (390, 558664), (520, 418998), (624, 349165), (780, 279332), (1040, 209499), (1560, 139666), (3120, 69833)]