64208640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 214276608

約数和(自身を除く): 150067968

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

約数ペア:

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