12739728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 35364800

約数和(自身を除く): 22625072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 229, 244, 304, 366, 456, 458, 488, 687, 732, 912, 916, 976, 1159, 1374, 1464, 1832, 2318, 2748, 2928, 3477, 3664, 4351, 4636, 5496, 6954, 8702, 9272, 10992, 13053, 13908, 13969, 17404, 18544, 26106, 27816, 27938, 34808, 41907, 52212, 55632, 55876, 69616, 83814, 104424, 111752, 167628, 208848, 223504, 265411, 335256, 530822, 670512, 796233, 1061644, 1592466, 2123288, 3184932, 4246576, 6369864, 12739728]

約数ペア:

[(1, 12739728), (2, 6369864), (3, 4246576), (4, 3184932), (6, 2123288), (8, 1592466), (12, 1061644), (16, 796233), (19, 670512), (24, 530822), (38, 335256), (48, 265411), (57, 223504), (61, 208848), (76, 167628), (114, 111752), (122, 104424), (152, 83814), (183, 69616), (228, 55876), (229, 55632), (244, 52212), (304, 41907), (366, 34808), (456, 27938), (458, 27816), (488, 26106), (687, 18544), (732, 17404), (912, 13969), (916, 13908), (976, 13053), (1159, 10992), (1374, 9272), (1464, 8702), (1832, 6954), (2318, 5496), (2748, 4636), (2928, 4351), (3477, 3664)]