42667280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 106265520

約数和(自身を除く): 63598240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 229, 272, 274, 340, 458, 548, 680, 685, 916, 1096, 1145, 1360, 1370, 1832, 2192, 2290, 2329, 2740, 3664, 3893, 4580, 4658, 5480, 7786, 9160, 9316, 10960, 11645, 15572, 18320, 18632, 19465, 23290, 31144, 31373, 37264, 38930, 46580, 62288, 62746, 77860, 93160, 125492, 155720, 156865, 186320, 250984, 311440, 313730, 501968, 533341, 627460, 1066682, 1254920, 2133364, 2509840, 2666705, 4266728, 5333410, 8533456, 10666820, 21333640, 42667280]

約数ペア:

[(1, 42667280), (2, 21333640), (4, 10666820), (5, 8533456), (8, 5333410), (10, 4266728), (16, 2666705), (17, 2509840), (20, 2133364), (34, 1254920), (40, 1066682), (68, 627460), (80, 533341), (85, 501968), (136, 313730), (137, 311440), (170, 250984), (229, 186320), (272, 156865), (274, 155720), (340, 125492), (458, 93160), (548, 77860), (680, 62746), (685, 62288), (916, 46580), (1096, 38930), (1145, 37264), (1360, 31373), (1370, 31144), (1832, 23290), (2192, 19465), (2290, 18632), (2329, 18320), (2740, 15572), (3664, 11645), (3893, 10960), (4580, 9316), (4658, 9160), (5480, 7786)]