217248640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:780

約数の個数: 128

約数和(自身を含む): 602795520

約数和(自身を除く): 385546880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 683, 710, 896, 994, 1120, 1136, 1366, 1420, 1988, 2240, 2272, 2485, 2732, 2840, 3415, 3976, 4480, 4544, 4781, 4970, 5464, 5680, 6830, 7952, 9088, 9562, 9940, 10928, 11360, 13660, 15904, 19124, 19880, 21856, 22720, 23905, 27320, 31808, 38248, 39760, 43712, 45440, 47810, 48493, 54640, 63616, 76496, 79520, 87424, 95620, 96986, 109280, 152992, 159040, 191240, 193972, 218560, 242465, 305984, 318080, 339451, 382480, 387944, 437120, 484930, 611968, 678902, 764960, 775888, 969860, 1357804, 1529920, 1551776, 1697255, 1939720, 2715608, 3059840, 3103552, 3394510, 3879440, 5431216, 6207104, 6789020, 7758880, 10862432, 13578040, 15517760, 21724864, 27156080, 31035520, 43449728, 54312160, 108624320, 217248640]

約数ペア:

[(1, 217248640), (2, 108624320), (4, 54312160), (5, 43449728), (7, 31035520), (8, 27156080), (10, 21724864), (14, 15517760), (16, 13578040), (20, 10862432), (28, 7758880), (32, 6789020), (35, 6207104), (40, 5431216), (56, 3879440), (64, 3394510), (70, 3103552), (71, 3059840), (80, 2715608), (112, 1939720), (128, 1697255), (140, 1551776), (142, 1529920), (160, 1357804), (224, 969860), (280, 775888), (284, 764960), (320, 678902), (355, 611968), (448, 484930), (497, 437120), (560, 387944), (568, 382480), (640, 339451), (683, 318080), (710, 305984), (896, 242465), (994, 218560), (1120, 193972), (1136, 191240), (1366, 159040), (1420, 152992), (1988, 109280), (2240, 96986), (2272, 95620), (2485, 87424), (2732, 79520), (2840, 76496), (3415, 63616), (3976, 54640), (4480, 48493), (4544, 47810), (4781, 45440), (4970, 43712), (5464, 39760), (5680, 38248), (6830, 31808), (7952, 27320), (9088, 23905), (9562, 22720), (9940, 21856), (10928, 19880), (11360, 19124), (13660, 15904)]