72212464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 158695200

約数和(自身を除く): 86482736

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 89, 136, 152, 157, 178, 272, 304, 314, 323, 356, 628, 646, 712, 1256, 1292, 1424, 1513, 1691, 2512, 2584, 2669, 2983, 3026, 3382, 5168, 5338, 5966, 6052, 6764, 10676, 11932, 12104, 13528, 13973, 21352, 23864, 24208, 27056, 27946, 28747, 42704, 47728, 50711, 55892, 57494, 101422, 111784, 114988, 202844, 223568, 229976, 237541, 265487, 405688, 459952, 475082, 530974, 811376, 950164, 1061948, 1900328, 2123896, 3800656, 4247792, 4513279, 9026558, 18053116, 36106232, 72212464]

約数ペア:

[(1, 72212464), (2, 36106232), (4, 18053116), (8, 9026558), (16, 4513279), (17, 4247792), (19, 3800656), (34, 2123896), (38, 1900328), (68, 1061948), (76, 950164), (89, 811376), (136, 530974), (152, 475082), (157, 459952), (178, 405688), (272, 265487), (304, 237541), (314, 229976), (323, 223568), (356, 202844), (628, 114988), (646, 111784), (712, 101422), (1256, 57494), (1292, 55892), (1424, 50711), (1513, 47728), (1691, 42704), (2512, 28747), (2584, 27946), (2669, 27056), (2983, 24208), (3026, 23864), (3382, 21352), (5168, 13973), (5338, 13528), (5966, 12104), (6052, 11932), (6764, 10676)]