19695360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 65931264

約数和(自身を除く): 46235904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 223, 230, 240, 256, 276, 320, 345, 368, 384, 446, 460, 480, 552, 640, 669, 690, 736, 768, 892, 920, 960, 1104, 1115, 1280, 1338, 1380, 1472, 1784, 1840, 1920, 2208, 2230, 2676, 2760, 2944, 3345, 3568, 3680, 3840, 4416, 4460, 5129, 5352, 5520, 5888, 6690, 7136, 7360, 8832, 8920, 10258, 10704, 11040, 13380, 14272, 14720, 15387, 17664, 17840, 20516, 21408, 22080, 25645, 26760, 28544, 29440, 30774, 35680, 41032, 42816, 44160, 51290, 53520, 57088, 61548, 71360, 76935, 82064, 85632, 88320, 102580, 107040, 123096, 142720, 153870, 164128, 171264, 205160, 214080, 246192, 285440, 307740, 328256, 410320, 428160, 492384, 615480, 656512, 820640, 856320, 984768, 1230960, 1313024, 1641280, 1969536, 2461920, 3282560, 3939072, 4923840, 6565120, 9847680, 19695360]

約数ペア:

[(1, 19695360), (2, 9847680), (3, 6565120), (4, 4923840), (5, 3939072), (6, 3282560), (8, 2461920), (10, 1969536), (12, 1641280), (15, 1313024), (16, 1230960), (20, 984768), (23, 856320), (24, 820640), (30, 656512), (32, 615480), (40, 492384), (46, 428160), (48, 410320), (60, 328256), (64, 307740), (69, 285440), (80, 246192), (92, 214080), (96, 205160), (115, 171264), (120, 164128), (128, 153870), (138, 142720), (160, 123096), (184, 107040), (192, 102580), (223, 88320), (230, 85632), (240, 82064), (256, 76935), (276, 71360), (320, 61548), (345, 57088), (368, 53520), (384, 51290), (446, 44160), (460, 42816), (480, 41032), (552, 35680), (640, 30774), (669, 29440), (690, 28544), (736, 26760), (768, 25645), (892, 22080), (920, 21408), (960, 20516), (1104, 17840), (1115, 17664), (1280, 15387), (1338, 14720), (1380, 14272), (1472, 13380), (1784, 11040), (1840, 10704), (1920, 10258), (2208, 8920), (2230, 8832), (2676, 7360), (2760, 7136), (2944, 6690), (3345, 5888), (3568, 5520), (3680, 5352), (3840, 5129), (4416, 4460)]