121716280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 333849600

約数和(自身を除く): 212133320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 137, 140, 152, 167, 190, 266, 274, 280, 334, 380, 532, 548, 665, 668, 685, 760, 835, 959, 1064, 1096, 1169, 1330, 1336, 1370, 1670, 1918, 2338, 2603, 2660, 2740, 3173, 3340, 3836, 4676, 4795, 5206, 5320, 5480, 5845, 6346, 6680, 7672, 9352, 9590, 10412, 11690, 12692, 13015, 15865, 18221, 19180, 20824, 22211, 22879, 23380, 25384, 26030, 31730, 36442, 38360, 44422, 45758, 46760, 52060, 63460, 72884, 88844, 91105, 91516, 104120, 111055, 114395, 126920, 145768, 160153, 177688, 182210, 183032, 222110, 228790, 320306, 364420, 434701, 444220, 457580, 640612, 728840, 800765, 869402, 888440, 915160, 1281224, 1601530, 1738804, 2173505, 3042907, 3203060, 3477608, 4347010, 6085814, 6406120, 8694020, 12171628, 15214535, 17388040, 24343256, 30429070, 60858140, 121716280]

約数ペア:

[(1, 121716280), (2, 60858140), (4, 30429070), (5, 24343256), (7, 17388040), (8, 15214535), (10, 12171628), (14, 8694020), (19, 6406120), (20, 6085814), (28, 4347010), (35, 3477608), (38, 3203060), (40, 3042907), (56, 2173505), (70, 1738804), (76, 1601530), (95, 1281224), (133, 915160), (137, 888440), (140, 869402), (152, 800765), (167, 728840), (190, 640612), (266, 457580), (274, 444220), (280, 434701), (334, 364420), (380, 320306), (532, 228790), (548, 222110), (665, 183032), (668, 182210), (685, 177688), (760, 160153), (835, 145768), (959, 126920), (1064, 114395), (1096, 111055), (1169, 104120), (1330, 91516), (1336, 91105), (1370, 88844), (1670, 72884), (1918, 63460), (2338, 52060), (2603, 46760), (2660, 45758), (2740, 44422), (3173, 38360), (3340, 36442), (3836, 31730), (4676, 26030), (4795, 25384), (5206, 23380), (5320, 22879), (5480, 22211), (5845, 20824), (6346, 19180), (6680, 18221), (7672, 15865), (9352, 13015), (9590, 12692), (10412, 11690)]