15171728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 36456000

約数和(自身を除く): 21284272

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 349, 418, 494, 572, 698, 836, 988, 1144, 1396, 1672, 1976, 2288, 2717, 2792, 3344, 3839, 3952, 4537, 5434, 5584, 6631, 7678, 9074, 10868, 13262, 15356, 18148, 21736, 26524, 30712, 36296, 43472, 49907, 53048, 61424, 72592, 72941, 86203, 99814, 106096, 145882, 172406, 199628, 291764, 344812, 399256, 583528, 689624, 798512, 948233, 1167056, 1379248, 1896466, 3792932, 7585864, 15171728]

約数ペア:

[(1, 15171728), (2, 7585864), (4, 3792932), (8, 1896466), (11, 1379248), (13, 1167056), (16, 948233), (19, 798512), (22, 689624), (26, 583528), (38, 399256), (44, 344812), (52, 291764), (76, 199628), (88, 172406), (104, 145882), (143, 106096), (152, 99814), (176, 86203), (208, 72941), (209, 72592), (247, 61424), (286, 53048), (304, 49907), (349, 43472), (418, 36296), (494, 30712), (572, 26524), (698, 21736), (836, 18148), (988, 15356), (1144, 13262), (1396, 10868), (1672, 9074), (1976, 7678), (2288, 6631), (2717, 5584), (2792, 5434), (3344, 4537), (3839, 3952)]