61857880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1277}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 160107840

約数和(自身を除く): 98249960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1277, 1384, 1730, 2422, 2554, 3460, 4844, 5108, 6055, 6385, 6920, 8939, 9688, 10216, 12110, 12770, 17878, 24220, 25540, 35756, 44695, 48440, 51080, 71512, 89390, 178780, 220921, 357560, 441842, 883684, 1104605, 1546447, 1767368, 2209210, 3092894, 4418420, 6185788, 7732235, 8836840, 12371576, 15464470, 30928940, 61857880]

約数ペア:

[(1, 61857880), (2, 30928940), (4, 15464470), (5, 12371576), (7, 8836840), (8, 7732235), (10, 6185788), (14, 4418420), (20, 3092894), (28, 2209210), (35, 1767368), (40, 1546447), (56, 1104605), (70, 883684), (140, 441842), (173, 357560), (280, 220921), (346, 178780), (692, 89390), (865, 71512), (1211, 51080), (1277, 48440), (1384, 44695), (1730, 35756), (2422, 25540), (2554, 24220), (3460, 17878), (4844, 12770), (5108, 12110), (6055, 10216), (6385, 9688), (6920, 8939)]