123219420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2137}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 356669712

約数和(自身を除く): 233450292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1860, 1922, 2137, 2883, 3844, 4274, 4805, 5766, 6411, 8548, 9610, 10685, 11532, 12822, 14415, 19220, 21370, 25644, 28830, 32055, 42740, 57660, 64110, 66247, 128220, 132494, 198741, 264988, 331235, 397482, 662470, 794964, 993705, 1324940, 1987410, 2053657, 3974820, 4107314, 6160971, 8214628, 10268285, 12321942, 20536570, 24643884, 30804855, 41073140, 61609710, 123219420]

約数ペア:

[(1, 123219420), (2, 61609710), (3, 41073140), (4, 30804855), (5, 24643884), (6, 20536570), (10, 12321942), (12, 10268285), (15, 8214628), (20, 6160971), (30, 4107314), (31, 3974820), (60, 2053657), (62, 1987410), (93, 1324940), (124, 993705), (155, 794964), (186, 662470), (310, 397482), (372, 331235), (465, 264988), (620, 198741), (930, 132494), (961, 128220), (1860, 66247), (1922, 64110), (2137, 57660), (2883, 42740), (3844, 32055), (4274, 28830), (4805, 25644), (5766, 21370), (6411, 19220), (8548, 14415), (9610, 12822), (10685, 11532)]