266710720

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1657}}^1$

素因数の和:2177

約数の個数: 56

約数和(自身を含む): 636751584

約数和(自身を除く): 370040864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1657, 2012, 2515, 3314, 4024, 5030, 6628, 8048, 8285, 10060, 13256, 16096, 16570, 20120, 26512, 32192, 33140, 40240, 53024, 66280, 80480, 106048, 132560, 160960, 265120, 530240, 833471, 1666942, 3333884, 4167355, 6667768, 8334710, 13335536, 16669420, 26671072, 33338840, 53342144, 66677680, 133355360, 266710720]

約数ペア:

[(1, 266710720), (2, 133355360), (4, 66677680), (5, 53342144), (8, 33338840), (10, 26671072), (16, 16669420), (20, 13335536), (32, 8334710), (40, 6667768), (64, 4167355), (80, 3333884), (160, 1666942), (320, 833471), (503, 530240), (1006, 265120), (1657, 160960), (2012, 132560), (2515, 106048), (3314, 80480), (4024, 66280), (5030, 53024), (6628, 40240), (8048, 33140), (8285, 32192), (10060, 26512), (13256, 20120), (16096, 16570)]