8721456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 24224640

約数和(自身を除く): 15503184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 73, 76, 114, 131, 146, 152, 219, 228, 262, 292, 304, 393, 438, 456, 524, 584, 786, 876, 912, 1048, 1168, 1387, 1572, 1752, 2096, 2489, 2774, 3144, 3504, 4161, 4978, 5548, 6288, 7467, 8322, 9563, 9956, 11096, 14934, 16644, 19126, 19912, 22192, 28689, 29868, 33288, 38252, 39824, 57378, 59736, 66576, 76504, 114756, 119472, 153008, 181697, 229512, 363394, 459024, 545091, 726788, 1090182, 1453576, 2180364, 2907152, 4360728, 8721456]

約数ペア:

[(1, 8721456), (2, 4360728), (3, 2907152), (4, 2180364), (6, 1453576), (8, 1090182), (12, 726788), (16, 545091), (19, 459024), (24, 363394), (38, 229512), (48, 181697), (57, 153008), (73, 119472), (76, 114756), (114, 76504), (131, 66576), (146, 59736), (152, 57378), (219, 39824), (228, 38252), (262, 33288), (292, 29868), (304, 28689), (393, 22192), (438, 19912), (456, 19126), (524, 16644), (584, 14934), (786, 11096), (876, 9956), (912, 9563), (1048, 8322), (1168, 7467), (1387, 6288), (1572, 5548), (1752, 4978), (2096, 4161), (2489, 3504), (2774, 3144)]