78972660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33749}}^1$

素因数の和:33777

約数の個数: 72

約数和(自身を含む): 257985000

約数和(自身を除く): 179012340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33749, 67498, 101247, 134996, 168745, 202494, 303741, 337490, 404988, 438737, 506235, 607482, 674980, 877474, 1012470, 1214964, 1316211, 1518705, 1754948, 2024940, 2193685, 2632422, 3037410, 3948633, 4387370, 5264844, 6074820, 6581055, 7897266, 8774740, 13162110, 15794532, 19743165, 26324220, 39486330, 78972660]

約数ペア:

[(1, 78972660), (2, 39486330), (3, 26324220), (4, 19743165), (5, 15794532), (6, 13162110), (9, 8774740), (10, 7897266), (12, 6581055), (13, 6074820), (15, 5264844), (18, 4387370), (20, 3948633), (26, 3037410), (30, 2632422), (36, 2193685), (39, 2024940), (45, 1754948), (52, 1518705), (60, 1316211), (65, 1214964), (78, 1012470), (90, 877474), (117, 674980), (130, 607482), (156, 506235), (180, 438737), (195, 404988), (234, 337490), (260, 303741), (390, 202494), (468, 168745), (585, 134996), (780, 101247), (1170, 67498), (2340, 33749)]