304817920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21649}}^1$

素因数の和:21681

約数の個数: 72

約数和(自身を含む): 796546800

約数和(自身を除く): 491728880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 21649, 43298, 86596, 108245, 173192, 216490, 238139, 346384, 432980, 476278, 692768, 865960, 952556, 1190695, 1385536, 1731920, 1905112, 2381390, 2771072, 3463840, 3810224, 4762780, 5542144, 6927680, 7620448, 9525560, 13855360, 15240896, 19051120, 27710720, 30481792, 38102240, 60963584, 76204480, 152408960, 304817920]

約数ペア:

[(1, 304817920), (2, 152408960), (4, 76204480), (5, 60963584), (8, 38102240), (10, 30481792), (11, 27710720), (16, 19051120), (20, 15240896), (22, 13855360), (32, 9525560), (40, 7620448), (44, 6927680), (55, 5542144), (64, 4762780), (80, 3810224), (88, 3463840), (110, 2771072), (128, 2381390), (160, 1905112), (176, 1731920), (220, 1385536), (256, 1190695), (320, 952556), (352, 865960), (440, 692768), (640, 476278), (704, 432980), (880, 346384), (1280, 238139), (1408, 216490), (1760, 173192), (2816, 108245), (3520, 86596), (7040, 43298), (14080, 21649)]