138678480

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{21401}}^1$

素因数の和:21426

約数の個数: 100

約数和(自身を含む): 481673412

約数和(自身を除く): 342994932

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 21401, 42802, 64203, 85604, 107005, 128406, 171208, 192609, 214010, 256812, 321015, 342416, 385218, 428020, 513624, 577827, 642030, 770436, 856040, 963045, 1027248, 1155654, 1284060, 1540872, 1712080, 1733481, 1926090, 2311308, 2568120, 2889135, 3081744, 3466962, 3852180, 4622616, 5136240, 5778270, 6933924, 7704360, 8667405, 9245232, 11556540, 13867848, 15408720, 17334810, 23113080, 27735696, 34669620, 46226160, 69339240, 138678480]

約数ペア:

[(1, 138678480), (2, 69339240), (3, 46226160), (4, 34669620), (5, 27735696), (6, 23113080), (8, 17334810), (9, 15408720), (10, 13867848), (12, 11556540), (15, 9245232), (16, 8667405), (18, 7704360), (20, 6933924), (24, 5778270), (27, 5136240), (30, 4622616), (36, 3852180), (40, 3466962), (45, 3081744), (48, 2889135), (54, 2568120), (60, 2311308), (72, 1926090), (80, 1733481), (81, 1712080), (90, 1540872), (108, 1284060), (120, 1155654), (135, 1027248), (144, 963045), (162, 856040), (180, 770436), (216, 642030), (240, 577827), (270, 513624), (324, 428020), (360, 385218), (405, 342416), (432, 321015), (540, 256812), (648, 214010), (720, 192609), (810, 171208), (1080, 128406), (1296, 107005), (1620, 85604), (2160, 64203), (3240, 42802), (6480, 21401)]