172822760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 443543040

約数和(自身を除く): 270720280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 61, 88, 94, 110, 122, 137, 188, 220, 235, 244, 274, 305, 376, 440, 470, 488, 517, 548, 610, 671, 685, 940, 1034, 1096, 1220, 1342, 1370, 1507, 1880, 2068, 2440, 2585, 2684, 2740, 2867, 3014, 3355, 4136, 5170, 5368, 5480, 5734, 6028, 6439, 6710, 7535, 8357, 10340, 11468, 12056, 12878, 13420, 14335, 15070, 16714, 20680, 22936, 25756, 26840, 28670, 30140, 31537, 32195, 33428, 41785, 51512, 57340, 60280, 63074, 64390, 66856, 70829, 83570, 91927, 114680, 126148, 128780, 141658, 157685, 167140, 183854, 252296, 257560, 283316, 315370, 334280, 354145, 367708, 392779, 459635, 566632, 630740, 708290, 735416, 785558, 919270, 1261480, 1416580, 1571116, 1838540, 1963895, 2833160, 3142232, 3677080, 3927790, 4320569, 7855580, 8641138, 15711160, 17282276, 21602845, 34564552, 43205690, 86411380, 172822760]

約数ペア:

[(1, 172822760), (2, 86411380), (4, 43205690), (5, 34564552), (8, 21602845), (10, 17282276), (11, 15711160), (20, 8641138), (22, 7855580), (40, 4320569), (44, 3927790), (47, 3677080), (55, 3142232), (61, 2833160), (88, 1963895), (94, 1838540), (110, 1571116), (122, 1416580), (137, 1261480), (188, 919270), (220, 785558), (235, 735416), (244, 708290), (274, 630740), (305, 566632), (376, 459635), (440, 392779), (470, 367708), (488, 354145), (517, 334280), (548, 315370), (610, 283316), (671, 257560), (685, 252296), (940, 183854), (1034, 167140), (1096, 157685), (1220, 141658), (1342, 128780), (1370, 126148), (1507, 114680), (1880, 91927), (2068, 83570), (2440, 70829), (2585, 66856), (2684, 64390), (2740, 63074), (2867, 60280), (3014, 57340), (3355, 51512), (4136, 41785), (5170, 33428), (5368, 32195), (5480, 31537), (5734, 30140), (6028, 28670), (6439, 26840), (6710, 25756), (7535, 22936), (8357, 20680), (10340, 16714), (11468, 15070), (12056, 14335), (12878, 13420)]