123943860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1973}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 377231400

約数和(自身を除く): 253287540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 1973, 2094, 3141, 3490, 3946, 4188, 5235, 5919, 6282, 6980, 7892, 9865, 10470, 11838, 12564, 15705, 17757, 19730, 20940, 23676, 29595, 31410, 35514, 39460, 59190, 62820, 71028, 88785, 118380, 177570, 355140, 688577, 1377154, 2065731, 2754308, 3442885, 4131462, 6197193, 6885770, 8262924, 10328655, 12394386, 13771540, 20657310, 24788772, 30985965, 41314620, 61971930, 123943860]

約数ペア:

[(1, 123943860), (2, 61971930), (3, 41314620), (4, 30985965), (5, 24788772), (6, 20657310), (9, 13771540), (10, 12394386), (12, 10328655), (15, 8262924), (18, 6885770), (20, 6197193), (30, 4131462), (36, 3442885), (45, 2754308), (60, 2065731), (90, 1377154), (180, 688577), (349, 355140), (698, 177570), (1047, 118380), (1396, 88785), (1745, 71028), (1973, 62820), (2094, 59190), (3141, 39460), (3490, 35514), (3946, 31410), (4188, 29595), (5235, 23676), (5919, 20940), (6282, 19730), (6980, 17757), (7892, 15705), (9865, 12564), (10470, 11838)]