155830320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{216431}}^1$

素因数の和:216450

約数の個数: 60

約数和(自身を含む): 523332576

約数和(自身を除く): 367502256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 216431, 432862, 649293, 865724, 1082155, 1298586, 1731448, 1947879, 2164310, 2597172, 3246465, 3462896, 3895758, 4328620, 5194344, 6492930, 7791516, 8657240, 9739395, 10388688, 12985860, 15583032, 17314480, 19478790, 25971720, 31166064, 38957580, 51943440, 77915160, 155830320]

約数ペア:

[(1, 155830320), (2, 77915160), (3, 51943440), (4, 38957580), (5, 31166064), (6, 25971720), (8, 19478790), (9, 17314480), (10, 15583032), (12, 12985860), (15, 10388688), (16, 9739395), (18, 8657240), (20, 7791516), (24, 6492930), (30, 5194344), (36, 4328620), (40, 3895758), (45, 3462896), (48, 3246465), (60, 2597172), (72, 2164310), (80, 1947879), (90, 1731448), (120, 1298586), (144, 1082155), (180, 865724), (240, 649293), (360, 432862), (720, 216431)]