19981570320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9250727}}^1$

素因数の和:9250749

約数の個数: 80

約数和(自身を含む): 68825416320

約数和(自身を除く): 48843846000

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, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9250727, 18501454, 27752181, 37002908, 46253635, 55504362, 74005816, 83256543, 92507270, 111008724, 138760905, 148011632, 166513086, 185014540, 222017448, 249769629, 277521810, 333026172, 370029080, 416282715, 444034896, 499539258, 555043620, 666052344, 740058160, 832565430, 999078516, 1110087240, 1248848145, 1332104688, 1665130860, 1998157032, 2220174480, 2497696290, 3330261720, 3996314064, 4995392580, 6660523440, 9990785160, 19981570320]

約数ペア:

[(1, 19981570320), (2, 9990785160), (3, 6660523440), (4, 4995392580), (5, 3996314064), (6, 3330261720), (8, 2497696290), (9, 2220174480), (10, 1998157032), (12, 1665130860), (15, 1332104688), (16, 1248848145), (18, 1110087240), (20, 999078516), (24, 832565430), (27, 740058160), (30, 666052344), (36, 555043620), (40, 499539258), (45, 444034896), (48, 416282715), (54, 370029080), (60, 333026172), (72, 277521810), (80, 249769629), (90, 222017448), (108, 185014540), (120, 166513086), (135, 148011632), (144, 138760905), (180, 111008724), (216, 92507270), (240, 83256543), (270, 74005816), (360, 55504362), (432, 46253635), (540, 37002908), (720, 27752181), (1080, 18501454), (2160, 9250727)]