21971760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 68995584

約数和(自身を除く): 47023824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1103, 1245, 1328, 1660, 1992, 2206, 2490, 3309, 3320, 3984, 4412, 4980, 5515, 6618, 6640, 8824, 9960, 11030, 13236, 16545, 17648, 19920, 22060, 26472, 33090, 44120, 52944, 66180, 88240, 91549, 132360, 183098, 264720, 274647, 366196, 457745, 549294, 732392, 915490, 1098588, 1373235, 1464784, 1830980, 2197176, 2746470, 3661960, 4394352, 5492940, 7323920, 10985880, 21971760]

約数ペア:

[(1, 21971760), (2, 10985880), (3, 7323920), (4, 5492940), (5, 4394352), (6, 3661960), (8, 2746470), (10, 2197176), (12, 1830980), (15, 1464784), (16, 1373235), (20, 1098588), (24, 915490), (30, 732392), (40, 549294), (48, 457745), (60, 366196), (80, 274647), (83, 264720), (120, 183098), (166, 132360), (240, 91549), (249, 88240), (332, 66180), (415, 52944), (498, 44120), (664, 33090), (830, 26472), (996, 22060), (1103, 19920), (1245, 17648), (1328, 16545), (1660, 13236), (1992, 11030), (2206, 9960), (2490, 8824), (3309, 6640), (3320, 6618), (3984, 5515), (4412, 4980)]