31349120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 84235680

約数和(自身を除く): 52886560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 73, 80, 88, 110, 122, 128, 146, 160, 176, 220, 244, 292, 305, 320, 352, 365, 440, 488, 584, 610, 640, 671, 704, 730, 803, 880, 976, 1168, 1220, 1342, 1408, 1460, 1606, 1760, 1952, 2336, 2440, 2684, 2920, 3212, 3355, 3520, 3904, 4015, 4453, 4672, 4880, 5368, 5840, 6424, 6710, 7040, 7808, 8030, 8906, 9344, 9760, 10736, 11680, 12848, 13420, 16060, 17812, 19520, 21472, 22265, 23360, 25696, 26840, 32120, 35624, 39040, 42944, 44530, 46720, 48983, 51392, 53680, 64240, 71248, 85888, 89060, 97966, 102784, 107360, 128480, 142496, 178120, 195932, 214720, 244915, 256960, 284992, 356240, 391864, 429440, 489830, 513920, 569984, 712480, 783728, 979660, 1424960, 1567456, 1959320, 2849920, 3134912, 3918640, 6269824, 7837280, 15674560, 31349120]

約数ペア:

[(1, 31349120), (2, 15674560), (4, 7837280), (5, 6269824), (8, 3918640), (10, 3134912), (11, 2849920), (16, 1959320), (20, 1567456), (22, 1424960), (32, 979660), (40, 783728), (44, 712480), (55, 569984), (61, 513920), (64, 489830), (73, 429440), (80, 391864), (88, 356240), (110, 284992), (122, 256960), (128, 244915), (146, 214720), (160, 195932), (176, 178120), (220, 142496), (244, 128480), (292, 107360), (305, 102784), (320, 97966), (352, 89060), (365, 85888), (440, 71248), (488, 64240), (584, 53680), (610, 51392), (640, 48983), (671, 46720), (704, 44530), (730, 42944), (803, 39040), (880, 35624), (976, 32120), (1168, 26840), (1220, 25696), (1342, 23360), (1408, 22265), (1460, 21472), (1606, 19520), (1760, 17812), (1952, 16060), (2336, 13420), (2440, 12848), (2684, 11680), (2920, 10736), (3212, 9760), (3355, 9344), (3520, 8906), (3904, 8030), (4015, 7808), (4453, 7040), (4672, 6710), (4880, 6424), (5368, 5840)]