331315760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 796931136

約数和(自身を除く): 465615376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 173, 185, 296, 346, 370, 592, 647, 692, 740, 865, 1294, 1384, 1480, 1730, 2588, 2768, 2960, 3235, 3460, 5176, 6401, 6470, 6920, 10352, 12802, 12940, 13840, 23939, 25604, 25880, 32005, 47878, 51208, 51760, 64010, 95756, 102416, 111931, 119695, 128020, 191512, 223862, 239390, 256040, 383024, 447724, 478780, 512080, 559655, 895448, 957560, 1119310, 1790896, 1915120, 2238620, 4141447, 4477240, 8282894, 8954480, 16565788, 20707235, 33131576, 41414470, 66263152, 82828940, 165657880, 331315760]

約数ペア:

[(1, 331315760), (2, 165657880), (4, 82828940), (5, 66263152), (8, 41414470), (10, 33131576), (16, 20707235), (20, 16565788), (37, 8954480), (40, 8282894), (74, 4477240), (80, 4141447), (148, 2238620), (173, 1915120), (185, 1790896), (296, 1119310), (346, 957560), (370, 895448), (592, 559655), (647, 512080), (692, 478780), (740, 447724), (865, 383024), (1294, 256040), (1384, 239390), (1480, 223862), (1730, 191512), (2588, 128020), (2768, 119695), (2960, 111931), (3235, 102416), (3460, 95756), (5176, 64010), (6401, 51760), (6470, 51208), (6920, 47878), (10352, 32005), (12802, 25880), (12940, 25604), (13840, 23939)]