8820120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2416

約数の個数: 64

約数和(自身を含む): 27325440

約数和(自身を除く): 18505320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 2371, 3720, 4742, 7113, 9484, 11855, 14226, 18968, 23710, 28452, 35565, 47420, 56904, 71130, 73501, 94840, 142260, 147002, 220503, 284520, 294004, 367505, 441006, 588008, 735010, 882012, 1102515, 1470020, 1764024, 2205030, 2940040, 4410060, 8820120]

約数ペア:

[(1, 8820120), (2, 4410060), (3, 2940040), (4, 2205030), (5, 1764024), (6, 1470020), (8, 1102515), (10, 882012), (12, 735010), (15, 588008), (20, 441006), (24, 367505), (30, 294004), (31, 284520), (40, 220503), (60, 147002), (62, 142260), (93, 94840), (120, 73501), (124, 71130), (155, 56904), (186, 47420), (248, 35565), (310, 28452), (372, 23710), (465, 18968), (620, 14226), (744, 11855), (930, 9484), (1240, 7113), (1860, 4742), (2371, 3720)]