247915520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1247

約数の個数: 88

約数和(自身を含む): 609727608

約数和(自身を除く): 361812088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1181, 1280, 1312, 1640, 2362, 2560, 2624, 3280, 4724, 5120, 5248, 5905, 6560, 9448, 10496, 11810, 13120, 18896, 20992, 23620, 26240, 37792, 41984, 47240, 48421, 52480, 75584, 94480, 96842, 104960, 151168, 188960, 193684, 209920, 242105, 302336, 377920, 387368, 484210, 604672, 755840, 774736, 968420, 1209344, 1511680, 1549472, 1936840, 3023360, 3098944, 3873680, 6046720, 6197888, 7747360, 12395776, 15494720, 24791552, 30989440, 49583104, 61978880, 123957760, 247915520]

約数ペア:

[(1, 247915520), (2, 123957760), (4, 61978880), (5, 49583104), (8, 30989440), (10, 24791552), (16, 15494720), (20, 12395776), (32, 7747360), (40, 6197888), (41, 6046720), (64, 3873680), (80, 3098944), (82, 3023360), (128, 1936840), (160, 1549472), (164, 1511680), (205, 1209344), (256, 968420), (320, 774736), (328, 755840), (410, 604672), (512, 484210), (640, 387368), (656, 377920), (820, 302336), (1024, 242105), (1181, 209920), (1280, 193684), (1312, 188960), (1640, 151168), (2362, 104960), (2560, 96842), (2624, 94480), (3280, 75584), (4724, 52480), (5120, 48421), (5248, 47240), (5905, 41984), (6560, 37792), (9448, 26240), (10496, 23620), (11810, 20992), (13120, 18896)]