90407880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:980

約数の個数: 128

約数和(自身を含む): 304819200

約数和(自身を除く): 214411320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 863, 873, 970, 1080, 1164, 1455, 1726, 1746, 1940, 2328, 2589, 2619, 2910, 3452, 3492, 3880, 4315, 4365, 5178, 5238, 5820, 6904, 6984, 7767, 8630, 8730, 10356, 10476, 11640, 12945, 13095, 15534, 17260, 17460, 20712, 20952, 23301, 25890, 26190, 31068, 34520, 34920, 38835, 46602, 51780, 52380, 62136, 77670, 83711, 93204, 103560, 104760, 116505, 155340, 167422, 186408, 233010, 251133, 310680, 334844, 418555, 466020, 502266, 669688, 753399, 837110, 932040, 1004532, 1255665, 1506798, 1674220, 2009064, 2260197, 2511330, 3013596, 3348440, 3766995, 4520394, 5022660, 6027192, 7533990, 9040788, 10045320, 11300985, 15067980, 18081576, 22601970, 30135960, 45203940, 90407880]

約数ペア:

[(1, 90407880), (2, 45203940), (3, 30135960), (4, 22601970), (5, 18081576), (6, 15067980), (8, 11300985), (9, 10045320), (10, 9040788), (12, 7533990), (15, 6027192), (18, 5022660), (20, 4520394), (24, 3766995), (27, 3348440), (30, 3013596), (36, 2511330), (40, 2260197), (45, 2009064), (54, 1674220), (60, 1506798), (72, 1255665), (90, 1004532), (97, 932040), (108, 837110), (120, 753399), (135, 669688), (180, 502266), (194, 466020), (216, 418555), (270, 334844), (291, 310680), (360, 251133), (388, 233010), (485, 186408), (540, 167422), (582, 155340), (776, 116505), (863, 104760), (873, 103560), (970, 93204), (1080, 83711), (1164, 77670), (1455, 62136), (1726, 52380), (1746, 51780), (1940, 46602), (2328, 38835), (2589, 34920), (2619, 34520), (2910, 31068), (3452, 26190), (3492, 25890), (3880, 23301), (4315, 20952), (4365, 20712), (5178, 17460), (5238, 17260), (5820, 15534), (6904, 13095), (6984, 12945), (7767, 11640), (8630, 10476), (8730, 10356)]