639522960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4733}}^1$

素因数の和:5312

約数の個数: 80

約数和(自身を含む): 1986462144

約数和(自身を除く): 1346939184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 563, 1126, 1689, 2252, 2815, 3378, 4504, 4733, 5630, 6756, 8445, 9008, 9466, 11260, 13512, 14199, 16890, 18932, 22520, 23665, 27024, 28398, 33780, 37864, 45040, 47330, 56796, 67560, 70995, 75728, 94660, 113592, 135120, 141990, 189320, 227184, 283980, 378640, 567960, 1135920, 2664679, 5329358, 7994037, 10658716, 13323395, 15988074, 21317432, 26646790, 31976148, 39970185, 42634864, 53293580, 63952296, 79940370, 106587160, 127904592, 159880740, 213174320, 319761480, 639522960]

約数ペア:

[(1, 639522960), (2, 319761480), (3, 213174320), (4, 159880740), (5, 127904592), (6, 106587160), (8, 79940370), (10, 63952296), (12, 53293580), (15, 42634864), (16, 39970185), (20, 31976148), (24, 26646790), (30, 21317432), (40, 15988074), (48, 13323395), (60, 10658716), (80, 7994037), (120, 5329358), (240, 2664679), (563, 1135920), (1126, 567960), (1689, 378640), (2252, 283980), (2815, 227184), (3378, 189320), (4504, 141990), (4733, 135120), (5630, 113592), (6756, 94660), (8445, 75728), (9008, 70995), (9466, 67560), (11260, 56796), (13512, 47330), (14199, 45040), (16890, 37864), (18932, 33780), (22520, 28398), (23665, 27024)]