38743920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2021

約数の個数: 120

約数和(自身を含む): 135001776

約数和(自身を除く): 96257856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 1993, 2160, 2430, 3240, 3888, 3986, 4860, 5979, 6480, 7972, 9720, 9965, 11958, 15944, 17937, 19440, 19930, 23916, 29895, 31888, 35874, 39860, 47832, 53811, 59790, 71748, 79720, 89685, 95664, 107622, 119580, 143496, 159440, 161433, 179370, 215244, 239160, 269055, 286992, 322866, 358740, 430488, 478320, 484299, 538110, 645732, 717480, 807165, 860976, 968598, 1076220, 1291464, 1434960, 1614330, 1937196, 2152440, 2421495, 2582928, 3228660, 3874392, 4304880, 4842990, 6457320, 7748784, 9685980, 12914640, 19371960, 38743920]

約数ペア:

[(1, 38743920), (2, 19371960), (3, 12914640), (4, 9685980), (5, 7748784), (6, 6457320), (8, 4842990), (9, 4304880), (10, 3874392), (12, 3228660), (15, 2582928), (16, 2421495), (18, 2152440), (20, 1937196), (24, 1614330), (27, 1434960), (30, 1291464), (36, 1076220), (40, 968598), (45, 860976), (48, 807165), (54, 717480), (60, 645732), (72, 538110), (80, 484299), (81, 478320), (90, 430488), (108, 358740), (120, 322866), (135, 286992), (144, 269055), (162, 239160), (180, 215244), (216, 179370), (240, 161433), (243, 159440), (270, 143496), (324, 119580), (360, 107622), (405, 95664), (432, 89685), (486, 79720), (540, 71748), (648, 59790), (720, 53811), (810, 47832), (972, 39860), (1080, 35874), (1215, 31888), (1296, 29895), (1620, 23916), (1944, 19930), (1993, 19440), (2160, 17937), (2430, 15944), (3240, 11958), (3888, 9965), (3986, 9720), (4860, 7972), (5979, 6480)]