685980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 2157792

約数和(自身を除く): 1471812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 103, 111, 148, 180, 185, 206, 222, 309, 333, 370, 412, 444, 515, 555, 618, 666, 740, 927, 1030, 1110, 1236, 1332, 1545, 1665, 1854, 2060, 2220, 3090, 3330, 3708, 3811, 4635, 6180, 6660, 7622, 9270, 11433, 15244, 18540, 19055, 22866, 34299, 38110, 45732, 57165, 68598, 76220, 114330, 137196, 171495, 228660, 342990, 685980]

約数ペア:

[(1, 685980), (2, 342990), (3, 228660), (4, 171495), (5, 137196), (6, 114330), (9, 76220), (10, 68598), (12, 57165), (15, 45732), (18, 38110), (20, 34299), (30, 22866), (36, 19055), (37, 18540), (45, 15244), (60, 11433), (74, 9270), (90, 7622), (103, 6660), (111, 6180), (148, 4635), (180, 3811), (185, 3708), (206, 3330), (222, 3090), (309, 2220), (333, 2060), (370, 1854), (412, 1665), (444, 1545), (515, 1332), (555, 1236), (618, 1110), (666, 1030), (740, 927)]