12879212320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{325891}}^1$

素因数の和:325938

約数の個数: 96

約数和(自身を含む): 34492409280

約数和(自身を除く): 21613196960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7904, 9880, 19760, 39520, 325891, 651782, 1303564, 1629455, 2607128, 3258910, 4236583, 5214256, 6191929, 6517820, 8473166, 10428512, 12383858, 13035640, 16946332, 21182915, 24767716, 26071280, 30959645, 33892664, 42365830, 49535432, 52142560, 61919290, 67785328, 80495077, 84731660, 99070864, 123838580, 135570656, 160990154, 169463320, 198141728, 247677160, 321980308, 338926640, 402475385, 495354320, 643960616, 677853280, 804950770, 990708640, 1287921232, 1609901540, 2575842464, 3219803080, 6439606160, 12879212320]

約数ペア:

[(1, 12879212320), (2, 6439606160), (4, 3219803080), (5, 2575842464), (8, 1609901540), (10, 1287921232), (13, 990708640), (16, 804950770), (19, 677853280), (20, 643960616), (26, 495354320), (32, 402475385), (38, 338926640), (40, 321980308), (52, 247677160), (65, 198141728), (76, 169463320), (80, 160990154), (95, 135570656), (104, 123838580), (130, 99070864), (152, 84731660), (160, 80495077), (190, 67785328), (208, 61919290), (247, 52142560), (260, 49535432), (304, 42365830), (380, 33892664), (416, 30959645), (494, 26071280), (520, 24767716), (608, 21182915), (760, 16946332), (988, 13035640), (1040, 12383858), (1235, 10428512), (1520, 8473166), (1976, 6517820), (2080, 6191929), (2470, 5214256), (3040, 4236583), (3952, 3258910), (4940, 2607128), (7904, 1629455), (9880, 1303564), (19760, 651782), (39520, 325891)]