9685980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2017

約数の個数: 72

約数和(自身を含む): 30484272

約数和(自身を除く): 20798292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 1993, 2430, 3986, 4860, 5979, 7972, 9965, 11958, 17937, 19930, 23916, 29895, 35874, 39860, 53811, 59790, 71748, 89685, 107622, 119580, 161433, 179370, 215244, 269055, 322866, 358740, 484299, 538110, 645732, 807165, 968598, 1076220, 1614330, 1937196, 2421495, 3228660, 4842990, 9685980]

約数ペア:

[(1, 9685980), (2, 4842990), (3, 3228660), (4, 2421495), (5, 1937196), (6, 1614330), (9, 1076220), (10, 968598), (12, 807165), (15, 645732), (18, 538110), (20, 484299), (27, 358740), (30, 322866), (36, 269055), (45, 215244), (54, 179370), (60, 161433), (81, 119580), (90, 107622), (108, 89685), (135, 71748), (162, 59790), (180, 53811), (243, 39860), (270, 35874), (324, 29895), (405, 23916), (486, 19930), (540, 17937), (810, 11958), (972, 9965), (1215, 7972), (1620, 5979), (1993, 4860), (2430, 3986)]