399897360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1237}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 1347067800

約数和(自身を除く): 947170440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 449, 720, 898, 1237, 1347, 1796, 2245, 2474, 2694, 3592, 3711, 4041, 4490, 4948, 5388, 6185, 6735, 7184, 7422, 8082, 8980, 9896, 10776, 11133, 12370, 13470, 14844, 16164, 17960, 18555, 19792, 20205, 21552, 22266, 24740, 26940, 29688, 32328, 35920, 37110, 40410, 44532, 49480, 53880, 55665, 59376, 64656, 74220, 80820, 89064, 98960, 107760, 111330, 148440, 161640, 178128, 222660, 296880, 323280, 445320, 555413, 890640, 1110826, 1666239, 2221652, 2777065, 3332478, 4443304, 4998717, 5554130, 6664956, 8331195, 8886608, 9997434, 11108260, 13329912, 16662390, 19994868, 22216520, 24993585, 26659824, 33324780, 39989736, 44433040, 49987170, 66649560, 79979472, 99974340, 133299120, 199948680, 399897360]

約数ペア:

[(1, 399897360), (2, 199948680), (3, 133299120), (4, 99974340), (5, 79979472), (6, 66649560), (8, 49987170), (9, 44433040), (10, 39989736), (12, 33324780), (15, 26659824), (16, 24993585), (18, 22216520), (20, 19994868), (24, 16662390), (30, 13329912), (36, 11108260), (40, 9997434), (45, 8886608), (48, 8331195), (60, 6664956), (72, 5554130), (80, 4998717), (90, 4443304), (120, 3332478), (144, 2777065), (180, 2221652), (240, 1666239), (360, 1110826), (449, 890640), (720, 555413), (898, 445320), (1237, 323280), (1347, 296880), (1796, 222660), (2245, 178128), (2474, 161640), (2694, 148440), (3592, 111330), (3711, 107760), (4041, 98960), (4490, 89064), (4948, 80820), (5388, 74220), (6185, 64656), (6735, 59376), (7184, 55665), (7422, 53880), (8082, 49480), (8980, 44532), (9896, 40410), (10776, 37110), (11133, 35920), (12370, 32328), (13470, 29688), (14844, 26940), (16164, 24740), (17960, 22266), (18555, 21552), (19792, 20205)]