12657920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 35320320

約数和(自身を除く): 22662400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 32, 40, 44, 55, 58, 62, 64, 80, 88, 110, 116, 124, 128, 145, 155, 160, 176, 220, 232, 248, 256, 290, 310, 319, 320, 341, 352, 440, 464, 496, 580, 620, 638, 640, 682, 704, 880, 899, 928, 992, 1160, 1240, 1276, 1280, 1364, 1408, 1595, 1705, 1760, 1798, 1856, 1984, 2320, 2480, 2552, 2728, 2816, 3190, 3410, 3520, 3596, 3712, 3968, 4495, 4640, 4960, 5104, 5456, 6380, 6820, 7040, 7192, 7424, 7936, 8990, 9280, 9889, 9920, 10208, 10912, 12760, 13640, 14080, 14384, 17980, 18560, 19778, 19840, 20416, 21824, 25520, 27280, 28768, 35960, 37120, 39556, 39680, 40832, 43648, 49445, 51040, 54560, 57536, 71920, 79112, 81664, 87296, 98890, 102080, 109120, 115072, 143840, 158224, 197780, 204160, 218240, 230144, 287680, 316448, 395560, 408320, 436480, 575360, 632896, 791120, 1150720, 1265792, 1582240, 2531584, 3164480, 6328960, 12657920]

約数ペア:

[(1, 12657920), (2, 6328960), (4, 3164480), (5, 2531584), (8, 1582240), (10, 1265792), (11, 1150720), (16, 791120), (20, 632896), (22, 575360), (29, 436480), (31, 408320), (32, 395560), (40, 316448), (44, 287680), (55, 230144), (58, 218240), (62, 204160), (64, 197780), (80, 158224), (88, 143840), (110, 115072), (116, 109120), (124, 102080), (128, 98890), (145, 87296), (155, 81664), (160, 79112), (176, 71920), (220, 57536), (232, 54560), (248, 51040), (256, 49445), (290, 43648), (310, 40832), (319, 39680), (320, 39556), (341, 37120), (352, 35960), (440, 28768), (464, 27280), (496, 25520), (580, 21824), (620, 20416), (638, 19840), (640, 19778), (682, 18560), (704, 17980), (880, 14384), (899, 14080), (928, 13640), (992, 12760), (1160, 10912), (1240, 10208), (1276, 9920), (1280, 9889), (1364, 9280), (1408, 8990), (1595, 7936), (1705, 7424), (1760, 7192), (1798, 7040), (1856, 6820), (1984, 6380), (2320, 5456), (2480, 5104), (2552, 4960), (2728, 4640), (2816, 4495), (3190, 3968), (3410, 3712), (3520, 3596)]