128417280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 160

約数和(自身を含む): 428972544

約数和(自身を除く): 300555264

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, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 727, 736, 768, 920, 960, 1104, 1280, 1380, 1454, 1472, 1536, 1840, 1920, 2181, 2208, 2560, 2760, 2908, 2944, 3635, 3680, 3840, 4362, 4416, 5520, 5816, 5888, 7270, 7360, 7680, 8724, 8832, 10905, 11040, 11632, 11776, 14540, 14720, 16721, 17448, 17664, 21810, 22080, 23264, 29080, 29440, 33442, 34896, 35328, 43620, 44160, 46528, 50163, 58160, 58880, 66884, 69792, 83605, 87240, 88320, 93056, 100326, 116320, 133768, 139584, 167210, 174480, 176640, 186112, 200652, 232640, 250815, 267536, 279168, 334420, 348960, 372224, 401304, 465280, 501630, 535072, 558336, 668840, 697920, 802608, 930560, 1003260, 1070144, 1116672, 1337680, 1395840, 1605216, 1861120, 2006520, 2140288, 2675360, 2791680, 3210432, 4013040, 4280576, 5350720, 5583360, 6420864, 8026080, 8561152, 10701440, 12841728, 16052160, 21402880, 25683456, 32104320, 42805760, 64208640, 128417280]

約数ペア:

[(1, 128417280), (2, 64208640), (3, 42805760), (4, 32104320), (5, 25683456), (6, 21402880), (8, 16052160), (10, 12841728), (12, 10701440), (15, 8561152), (16, 8026080), (20, 6420864), (23, 5583360), (24, 5350720), (30, 4280576), (32, 4013040), (40, 3210432), (46, 2791680), (48, 2675360), (60, 2140288), (64, 2006520), (69, 1861120), (80, 1605216), (92, 1395840), (96, 1337680), (115, 1116672), (120, 1070144), (128, 1003260), (138, 930560), (160, 802608), (184, 697920), (192, 668840), (230, 558336), (240, 535072), (256, 501630), (276, 465280), (320, 401304), (345, 372224), (368, 348960), (384, 334420), (460, 279168), (480, 267536), (512, 250815), (552, 232640), (640, 200652), (690, 186112), (727, 176640), (736, 174480), (768, 167210), (920, 139584), (960, 133768), (1104, 116320), (1280, 100326), (1380, 93056), (1454, 88320), (1472, 87240), (1536, 83605), (1840, 69792), (1920, 66884), (2181, 58880), (2208, 58160), (2560, 50163), (2760, 46528), (2908, 44160), (2944, 43620), (3635, 35328), (3680, 34896), (3840, 33442), (4362, 29440), (4416, 29080), (5520, 23264), (5816, 22080), (5888, 21810), (7270, 17664), (7360, 17448), (7680, 16721), (8724, 14720), (8832, 14540), (10905, 11776), (11040, 11632)]