140640840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{130223}}^1$

素因数の和:130243

約数の個数: 64

約数和(自身を含む): 468806400

約数和(自身を除く): 328165560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 130223, 260446, 390669, 520892, 651115, 781338, 1041784, 1172007, 1302230, 1562676, 1953345, 2344014, 2604460, 3125352, 3516021, 3906690, 4688028, 5208920, 5860035, 7032042, 7813380, 9376056, 11720070, 14064084, 15626760, 17580105, 23440140, 28128168, 35160210, 46880280, 70320420, 140640840]

約数ペア:

[(1, 140640840), (2, 70320420), (3, 46880280), (4, 35160210), (5, 28128168), (6, 23440140), (8, 17580105), (9, 15626760), (10, 14064084), (12, 11720070), (15, 9376056), (18, 7813380), (20, 7032042), (24, 5860035), (27, 5208920), (30, 4688028), (36, 3906690), (40, 3516021), (45, 3125352), (54, 2604460), (60, 2344014), (72, 1953345), (90, 1562676), (108, 1302230), (120, 1172007), (135, 1041784), (180, 781338), (216, 651115), (270, 520892), (360, 390669), (540, 260446), (1080, 130223)]