30347660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 74980080

約数和(自身を除く): 44632420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 179, 196, 245, 346, 358, 490, 692, 716, 865, 895, 980, 1211, 1253, 1730, 1790, 2422, 2506, 3460, 3580, 4844, 5012, 6055, 6265, 8477, 8771, 12110, 12530, 16954, 17542, 24220, 25060, 30967, 33908, 35084, 42385, 43855, 61934, 84770, 87710, 123868, 154835, 169540, 175420, 216769, 309670, 433538, 619340, 867076, 1083845, 1517383, 2167690, 3034766, 4335380, 6069532, 7586915, 15173830, 30347660]

約数ペア:

[(1, 30347660), (2, 15173830), (4, 7586915), (5, 6069532), (7, 4335380), (10, 3034766), (14, 2167690), (20, 1517383), (28, 1083845), (35, 867076), (49, 619340), (70, 433538), (98, 309670), (140, 216769), (173, 175420), (179, 169540), (196, 154835), (245, 123868), (346, 87710), (358, 84770), (490, 61934), (692, 43855), (716, 42385), (865, 35084), (895, 33908), (980, 30967), (1211, 25060), (1253, 24220), (1730, 17542), (1790, 16954), (2422, 12530), (2506, 12110), (3460, 8771), (3580, 8477), (4844, 6265), (5012, 6055)]