71886080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 201325824

約数和(自身を除く): 129439744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 113, 128, 140, 142, 160, 224, 226, 256, 280, 284, 320, 355, 448, 452, 497, 560, 565, 568, 640, 710, 791, 896, 904, 994, 1120, 1130, 1136, 1280, 1420, 1582, 1792, 1808, 1988, 2240, 2260, 2272, 2485, 2840, 3164, 3616, 3955, 3976, 4480, 4520, 4544, 4970, 5680, 6328, 7232, 7910, 7952, 8023, 8960, 9040, 9088, 9940, 11360, 12656, 14464, 15820, 15904, 16046, 18080, 18176, 19880, 22720, 25312, 28928, 31640, 31808, 32092, 36160, 39760, 40115, 45440, 50624, 56161, 63280, 63616, 64184, 72320, 79520, 80230, 90880, 101248, 112322, 126560, 127232, 128368, 144640, 159040, 160460, 202496, 224644, 253120, 256736, 280805, 318080, 320920, 449288, 506240, 513472, 561610, 636160, 641840, 898576, 1012480, 1026944, 1123220, 1283680, 1797152, 2053888, 2246440, 2567360, 3594304, 4492880, 5134720, 7188608, 8985760, 10269440, 14377216, 17971520, 35943040, 71886080]

約数ペア:

[(1, 71886080), (2, 35943040), (4, 17971520), (5, 14377216), (7, 10269440), (8, 8985760), (10, 7188608), (14, 5134720), (16, 4492880), (20, 3594304), (28, 2567360), (32, 2246440), (35, 2053888), (40, 1797152), (56, 1283680), (64, 1123220), (70, 1026944), (71, 1012480), (80, 898576), (112, 641840), (113, 636160), (128, 561610), (140, 513472), (142, 506240), (160, 449288), (224, 320920), (226, 318080), (256, 280805), (280, 256736), (284, 253120), (320, 224644), (355, 202496), (448, 160460), (452, 159040), (497, 144640), (560, 128368), (565, 127232), (568, 126560), (640, 112322), (710, 101248), (791, 90880), (896, 80230), (904, 79520), (994, 72320), (1120, 64184), (1130, 63616), (1136, 63280), (1280, 56161), (1420, 50624), (1582, 45440), (1792, 40115), (1808, 39760), (1988, 36160), (2240, 32092), (2260, 31808), (2272, 31640), (2485, 28928), (2840, 25312), (3164, 22720), (3616, 19880), (3955, 18176), (3976, 18080), (4480, 16046), (4520, 15904), (4544, 15820), (4970, 14464), (5680, 12656), (6328, 11360), (7232, 9940), (7910, 9088), (7952, 9040), (8023, 8960)]