164083840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 417726720

約数和(自身を除く): 253642880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 128, 142, 157, 160, 184, 230, 284, 314, 320, 355, 368, 460, 568, 628, 640, 710, 736, 785, 920, 1136, 1256, 1420, 1472, 1570, 1633, 1840, 2272, 2512, 2840, 2944, 3140, 3266, 3611, 3680, 4544, 5024, 5680, 6280, 6532, 7222, 7360, 8165, 9088, 10048, 11147, 11360, 12560, 13064, 14444, 14720, 16330, 18055, 20096, 22294, 22720, 25120, 26128, 28888, 32660, 36110, 44588, 45440, 50240, 52256, 55735, 57776, 65320, 72220, 89176, 100480, 104512, 111470, 115552, 130640, 144440, 178352, 209024, 222940, 231104, 256381, 261280, 288880, 356704, 445880, 462208, 512762, 522560, 577760, 713408, 891760, 1025524, 1045120, 1155520, 1281905, 1426816, 1783520, 2051048, 2311040, 2563810, 3567040, 4102096, 5127620, 7134080, 8204192, 10255240, 16408384, 20510480, 32816768, 41020960, 82041920, 164083840]

約数ペア:

[(1, 164083840), (2, 82041920), (4, 41020960), (5, 32816768), (8, 20510480), (10, 16408384), (16, 10255240), (20, 8204192), (23, 7134080), (32, 5127620), (40, 4102096), (46, 3567040), (64, 2563810), (71, 2311040), (80, 2051048), (92, 1783520), (115, 1426816), (128, 1281905), (142, 1155520), (157, 1045120), (160, 1025524), (184, 891760), (230, 713408), (284, 577760), (314, 522560), (320, 512762), (355, 462208), (368, 445880), (460, 356704), (568, 288880), (628, 261280), (640, 256381), (710, 231104), (736, 222940), (785, 209024), (920, 178352), (1136, 144440), (1256, 130640), (1420, 115552), (1472, 111470), (1570, 104512), (1633, 100480), (1840, 89176), (2272, 72220), (2512, 65320), (2840, 57776), (2944, 55735), (3140, 52256), (3266, 50240), (3611, 45440), (3680, 44588), (4544, 36110), (5024, 32660), (5680, 28888), (6280, 26128), (6532, 25120), (7222, 22720), (7360, 22294), (8165, 20096), (9088, 18055), (10048, 16330), (11147, 14720), (11360, 14444), (12560, 13064)]