1227440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 2909040

約数和(自身を除く): 1681600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 229, 268, 335, 458, 536, 670, 916, 1072, 1145, 1340, 1832, 2290, 2680, 3664, 4580, 5360, 9160, 15343, 18320, 30686, 61372, 76715, 122744, 153430, 245488, 306860, 613720, 1227440]

約数ペア:

[(1, 1227440), (2, 613720), (4, 306860), (5, 245488), (8, 153430), (10, 122744), (16, 76715), (20, 61372), (40, 30686), (67, 18320), (80, 15343), (134, 9160), (229, 5360), (268, 4580), (335, 3664), (458, 2680), (536, 2290), (670, 1832), (916, 1340), (1072, 1145)]