204821280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142237}}^1$

素因数の和:142258

約数の個数: 72

約数和(自身を含む): 698957532

約数和(自身を除く): 494136252

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142237, 284474, 426711, 568948, 711185, 853422, 1137896, 1280133, 1422370, 1706844, 2133555, 2275792, 2560266, 2844740, 3413688, 4267110, 4551584, 5120532, 5689480, 6400665, 6827376, 8534220, 10241064, 11378960, 12801330, 13654752, 17068440, 20482128, 22757920, 25602660, 34136880, 40964256, 51205320, 68273760, 102410640, 204821280]

約数ペア:

[(1, 204821280), (2, 102410640), (3, 68273760), (4, 51205320), (5, 40964256), (6, 34136880), (8, 25602660), (9, 22757920), (10, 20482128), (12, 17068440), (15, 13654752), (16, 12801330), (18, 11378960), (20, 10241064), (24, 8534220), (30, 6827376), (32, 6400665), (36, 5689480), (40, 5120532), (45, 4551584), (48, 4267110), (60, 3413688), (72, 2844740), (80, 2560266), (90, 2275792), (96, 2133555), (120, 1706844), (144, 1422370), (160, 1280133), (180, 1137896), (240, 853422), (288, 711185), (360, 568948), (480, 426711), (720, 284474), (1440, 142237)]