90404820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45659}}^1$

素因数の和:45685

約数の個数: 72

約数和(自身を含む): 299164320

約数和(自身を除く): 208759500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 45659, 91318, 136977, 182636, 228295, 273954, 410931, 456590, 502249, 547908, 684885, 821862, 913180, 1004498, 1369770, 1506747, 1643724, 2008996, 2054655, 2511245, 2739540, 3013494, 4109310, 4520241, 5022490, 6026988, 7533735, 8218620, 9040482, 10044980, 15067470, 18080964, 22601205, 30134940, 45202410, 90404820]

約数ペア:

[(1, 90404820), (2, 45202410), (3, 30134940), (4, 22601205), (5, 18080964), (6, 15067470), (9, 10044980), (10, 9040482), (11, 8218620), (12, 7533735), (15, 6026988), (18, 5022490), (20, 4520241), (22, 4109310), (30, 3013494), (33, 2739540), (36, 2511245), (44, 2054655), (45, 2008996), (55, 1643724), (60, 1506747), (66, 1369770), (90, 1004498), (99, 913180), (110, 821862), (132, 684885), (165, 547908), (180, 502249), (198, 456590), (220, 410931), (330, 273954), (396, 228295), (495, 182636), (660, 136977), (990, 91318), (1980, 45659)]