21536880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4723}}^1$

素因数の和:4758

約数の個数: 80

約数和(自身を含む): 70293120

約数和(自身を除く): 48756240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4723, 9446, 14169, 18892, 23615, 28338, 37784, 47230, 56676, 70845, 75568, 89737, 94460, 113352, 141690, 179474, 188920, 226704, 269211, 283380, 358948, 377840, 448685, 538422, 566760, 717896, 897370, 1076844, 1133520, 1346055, 1435792, 1794740, 2153688, 2692110, 3589480, 4307376, 5384220, 7178960, 10768440, 21536880]

約数ペア:

[(1, 21536880), (2, 10768440), (3, 7178960), (4, 5384220), (5, 4307376), (6, 3589480), (8, 2692110), (10, 2153688), (12, 1794740), (15, 1435792), (16, 1346055), (19, 1133520), (20, 1076844), (24, 897370), (30, 717896), (38, 566760), (40, 538422), (48, 448685), (57, 377840), (60, 358948), (76, 283380), (80, 269211), (95, 226704), (114, 188920), (120, 179474), (152, 141690), (190, 113352), (228, 94460), (240, 89737), (285, 75568), (304, 70845), (380, 56676), (456, 47230), (570, 37784), (760, 28338), (912, 23615), (1140, 18892), (1520, 14169), (2280, 9446), (4560, 4723)]