2979180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{613}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 9386832

約数和(自身を除く): 6407652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 613, 810, 972, 1215, 1226, 1620, 1839, 2430, 2452, 3065, 3678, 4860, 5517, 6130, 7356, 9195, 11034, 12260, 16551, 18390, 22068, 27585, 33102, 36780, 49653, 55170, 66204, 82755, 99306, 110340, 148959, 165510, 198612, 248265, 297918, 331020, 496530, 595836, 744795, 993060, 1489590, 2979180]

約数ペア:

[(1, 2979180), (2, 1489590), (3, 993060), (4, 744795), (5, 595836), (6, 496530), (9, 331020), (10, 297918), (12, 248265), (15, 198612), (18, 165510), (20, 148959), (27, 110340), (30, 99306), (36, 82755), (45, 66204), (54, 55170), (60, 49653), (81, 36780), (90, 33102), (108, 27585), (135, 22068), (162, 18390), (180, 16551), (243, 12260), (270, 11034), (324, 9195), (405, 7356), (486, 6130), (540, 5517), (613, 4860), (810, 3678), (972, 3065), (1215, 2452), (1226, 2430), (1620, 1839)]