1555131440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{19381}}^1$

素因数の和:19470

約数の個数: 80

約数和(自身を含む): 3893456160

約数和(自身を除く): 2338324720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 944, 1003, 1180, 1360, 2006, 2360, 4012, 4720, 5015, 8024, 10030, 16048, 19381, 20060, 38762, 40120, 77524, 80240, 96905, 155048, 193810, 310096, 329477, 387620, 658954, 775240, 1143479, 1317908, 1550480, 1647385, 2286958, 2635816, 3294770, 4573916, 5271632, 5717395, 6589540, 9147832, 11434790, 13179080, 18295664, 19439143, 22869580, 26358160, 38878286, 45739160, 77756572, 91478320, 97195715, 155513144, 194391430, 311026288, 388782860, 777565720, 1555131440]

約数ペア:

[(1, 1555131440), (2, 777565720), (4, 388782860), (5, 311026288), (8, 194391430), (10, 155513144), (16, 97195715), (17, 91478320), (20, 77756572), (34, 45739160), (40, 38878286), (59, 26358160), (68, 22869580), (80, 19439143), (85, 18295664), (118, 13179080), (136, 11434790), (170, 9147832), (236, 6589540), (272, 5717395), (295, 5271632), (340, 4573916), (472, 3294770), (590, 2635816), (680, 2286958), (944, 1647385), (1003, 1550480), (1180, 1317908), (1360, 1143479), (2006, 775240), (2360, 658954), (4012, 387620), (4720, 329477), (5015, 310096), (8024, 193810), (10030, 155048), (16048, 96905), (19381, 80240), (20060, 77524), (38762, 40120)]