1689139520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{757}}^1$

素因数の和:1160

約数の個数: 112

約数和(自身を含む): 4251106560

約数和(自身を除く): 2561967040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 367, 380, 608, 734, 757, 760, 1216, 1468, 1514, 1520, 1835, 2936, 3028, 3040, 3670, 3785, 5872, 6056, 6080, 6973, 7340, 7570, 11744, 12112, 13946, 14383, 14680, 15140, 23488, 24224, 27892, 28766, 29360, 30280, 34865, 48448, 55784, 57532, 58720, 60560, 69730, 71915, 111568, 115064, 117440, 121120, 139460, 143830, 223136, 230128, 242240, 277819, 278920, 287660, 446272, 460256, 555638, 557840, 575320, 920512, 1111276, 1115680, 1150640, 1389095, 2222552, 2231360, 2301280, 2778190, 4445104, 4602560, 5278561, 5556380, 8890208, 10557122, 11112760, 17780416, 21114244, 22225520, 26392805, 42228488, 44451040, 52785610, 84456976, 88902080, 105571220, 168913952, 211142440, 337827904, 422284880, 844569760, 1689139520]

約数ペア:

[(1, 1689139520), (2, 844569760), (4, 422284880), (5, 337827904), (8, 211142440), (10, 168913952), (16, 105571220), (19, 88902080), (20, 84456976), (32, 52785610), (38, 44451040), (40, 42228488), (64, 26392805), (76, 22225520), (80, 21114244), (95, 17780416), (152, 11112760), (160, 10557122), (190, 8890208), (304, 5556380), (320, 5278561), (367, 4602560), (380, 4445104), (608, 2778190), (734, 2301280), (757, 2231360), (760, 2222552), (1216, 1389095), (1468, 1150640), (1514, 1115680), (1520, 1111276), (1835, 920512), (2936, 575320), (3028, 557840), (3040, 555638), (3670, 460256), (3785, 446272), (5872, 287660), (6056, 278920), (6080, 277819), (6973, 242240), (7340, 230128), (7570, 223136), (11744, 143830), (12112, 139460), (13946, 121120), (14383, 117440), (14680, 115064), (15140, 111568), (23488, 71915), (24224, 69730), (27892, 60560), (28766, 58720), (29360, 57532), (30280, 55784), (34865, 48448)]