31128480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21617}}^1$

素因数の和:21638

約数の個数: 72

約数和(自身を含む): 106230852

約数和(自身を除く): 75102372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21617, 43234, 64851, 86468, 108085, 129702, 172936, 194553, 216170, 259404, 324255, 345872, 389106, 432340, 518808, 648510, 691744, 778212, 864680, 972765, 1037616, 1297020, 1556424, 1729360, 1945530, 2075232, 2594040, 3112848, 3458720, 3891060, 5188080, 6225696, 7782120, 10376160, 15564240, 31128480]

約数ペア:

[(1, 31128480), (2, 15564240), (3, 10376160), (4, 7782120), (5, 6225696), (6, 5188080), (8, 3891060), (9, 3458720), (10, 3112848), (12, 2594040), (15, 2075232), (16, 1945530), (18, 1729360), (20, 1556424), (24, 1297020), (30, 1037616), (32, 972765), (36, 864680), (40, 778212), (45, 691744), (48, 648510), (60, 518808), (72, 432340), (80, 389106), (90, 345872), (96, 324255), (120, 259404), (144, 216170), (160, 194553), (180, 172936), (240, 129702), (288, 108085), (360, 86468), (480, 64851), (720, 43234), (1440, 21617)]