2745163840

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:816

約数の個数: 112

約数和(自身を含む): 6655972464

約数和(自身を除く): 3910808624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 157, 160, 202, 314, 320, 404, 505, 541, 628, 785, 808, 1010, 1082, 1256, 1570, 1616, 2020, 2164, 2512, 2705, 3140, 3232, 4040, 4328, 5024, 5410, 6280, 6464, 8080, 8656, 10048, 10820, 12560, 15857, 16160, 17312, 21640, 25120, 31714, 32320, 34624, 43280, 50240, 54641, 63428, 79285, 84937, 86560, 109282, 126856, 158570, 169874, 173120, 218564, 253712, 273205, 317140, 339748, 424685, 437128, 507424, 546410, 634280, 679496, 849370, 874256, 1014848, 1092820, 1268560, 1358992, 1698740, 1748512, 2185640, 2537120, 2717984, 3397480, 3497024, 4371280, 5074240, 5435968, 6794960, 8578637, 8742560, 13589920, 17157274, 17485120, 27179840, 34314548, 42893185, 68629096, 85786370, 137258192, 171572740, 274516384, 343145480, 549032768, 686290960, 1372581920, 2745163840]

約数ペア:

[(1, 2745163840), (2, 1372581920), (4, 686290960), (5, 549032768), (8, 343145480), (10, 274516384), (16, 171572740), (20, 137258192), (32, 85786370), (40, 68629096), (64, 42893185), (80, 34314548), (101, 27179840), (157, 17485120), (160, 17157274), (202, 13589920), (314, 8742560), (320, 8578637), (404, 6794960), (505, 5435968), (541, 5074240), (628, 4371280), (785, 3497024), (808, 3397480), (1010, 2717984), (1082, 2537120), (1256, 2185640), (1570, 1748512), (1616, 1698740), (2020, 1358992), (2164, 1268560), (2512, 1092820), (2705, 1014848), (3140, 874256), (3232, 849370), (4040, 679496), (4328, 634280), (5024, 546410), (5410, 507424), (6280, 437128), (6464, 424685), (8080, 339748), (8656, 317140), (10048, 273205), (10820, 253712), (12560, 218564), (15857, 173120), (16160, 169874), (17312, 158570), (21640, 126856), (25120, 109282), (31714, 86560), (32320, 84937), (34624, 79285), (43280, 63428), (50240, 54641)]