1991161800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{1106201}}^1$

素因数の和:1106223

約数の個数: 72

約数和(自身を含む): 6686991090

約数和(自身を除く): 4695829290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 1106201, 2212402, 3318603, 4424804, 5531005, 6637206, 8849608, 9955809, 11062010, 13274412, 16593015, 19911618, 22124020, 26548824, 27655025, 33186030, 39823236, 44248040, 49779045, 55310050, 66372060, 79646472, 82965075, 99558090, 110620100, 132744120, 165930150, 199116180, 221240200, 248895225, 331860300, 398232360, 497790450, 663720600, 995580900, 1991161800]

約数ペア:

[(1, 1991161800), (2, 995580900), (3, 663720600), (4, 497790450), (5, 398232360), (6, 331860300), (8, 248895225), (9, 221240200), (10, 199116180), (12, 165930150), (15, 132744120), (18, 110620100), (20, 99558090), (24, 82965075), (25, 79646472), (30, 66372060), (36, 55310050), (40, 49779045), (45, 44248040), (50, 39823236), (60, 33186030), (72, 27655025), (75, 26548824), (90, 22124020), (100, 19911618), (120, 16593015), (150, 13274412), (180, 11062010), (200, 9955809), (225, 8849608), (300, 6637206), (360, 5531005), (450, 4424804), (600, 3318603), (900, 2212402), (1800, 1106201)]