1688670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 4548960

約数和(自身を除く): 2860290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 647, 870, 1294, 1305, 1941, 2610, 3235, 3882, 5823, 6470, 9705, 11646, 18763, 19410, 29115, 37526, 56289, 58230, 93815, 112578, 168867, 187630, 281445, 337734, 562890, 844335, 1688670]

約数ペア:

[(1, 1688670), (2, 844335), (3, 562890), (5, 337734), (6, 281445), (9, 187630), (10, 168867), (15, 112578), (18, 93815), (29, 58230), (30, 56289), (45, 37526), (58, 29115), (87, 19410), (90, 18763), (145, 11646), (174, 9705), (261, 6470), (290, 5823), (435, 3882), (522, 3235), (647, 2610), (870, 1941), (1294, 1305)]