19735680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:582

約数の個数: 128

約数和(自身を含む): 66340800

約数和(自身を除く): 46605120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 541, 570, 608, 640, 760, 912, 960, 1082, 1140, 1216, 1520, 1623, 1824, 1920, 2164, 2280, 2432, 2705, 3040, 3246, 3648, 4328, 4560, 5410, 6080, 6492, 7296, 8115, 8656, 9120, 10279, 10820, 12160, 12984, 16230, 17312, 18240, 20558, 21640, 25968, 30837, 32460, 34624, 36480, 41116, 43280, 51395, 51936, 61674, 64920, 69248, 82232, 86560, 102790, 103872, 123348, 129840, 154185, 164464, 173120, 205580, 207744, 246696, 259680, 308370, 328928, 346240, 411160, 493392, 519360, 616740, 657856, 822320, 986784, 1038720, 1233480, 1315712, 1644640, 1973568, 2466960, 3289280, 3947136, 4933920, 6578560, 9867840, 19735680]

約数ペア:

[(1, 19735680), (2, 9867840), (3, 6578560), (4, 4933920), (5, 3947136), (6, 3289280), (8, 2466960), (10, 1973568), (12, 1644640), (15, 1315712), (16, 1233480), (19, 1038720), (20, 986784), (24, 822320), (30, 657856), (32, 616740), (38, 519360), (40, 493392), (48, 411160), (57, 346240), (60, 328928), (64, 308370), (76, 259680), (80, 246696), (95, 207744), (96, 205580), (114, 173120), (120, 164464), (128, 154185), (152, 129840), (160, 123348), (190, 103872), (192, 102790), (228, 86560), (240, 82232), (285, 69248), (304, 64920), (320, 61674), (380, 51936), (384, 51395), (456, 43280), (480, 41116), (541, 36480), (570, 34624), (608, 32460), (640, 30837), (760, 25968), (912, 21640), (960, 20558), (1082, 18240), (1140, 17312), (1216, 16230), (1520, 12984), (1623, 12160), (1824, 10820), (1920, 10279), (2164, 9120), (2280, 8656), (2432, 8115), (2705, 7296), (3040, 6492), (3246, 6080), (3648, 5410), (4328, 4560)]