1311872000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 176

約数和(自身を含む): 3373423248

約数和(自身を除く): 2061551248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 128, 148, 160, 185, 200, 250, 256, 277, 296, 320, 370, 400, 500, 512, 554, 592, 640, 740, 800, 925, 1000, 1024, 1108, 1184, 1280, 1385, 1480, 1600, 1850, 2000, 2216, 2368, 2560, 2770, 2960, 3200, 3700, 4000, 4432, 4625, 4736, 5120, 5540, 5920, 6400, 6925, 7400, 8000, 8864, 9250, 9472, 10249, 11080, 11840, 12800, 13850, 14800, 16000, 17728, 18500, 18944, 20498, 22160, 23680, 25600, 27700, 29600, 32000, 34625, 35456, 37000, 37888, 40996, 44320, 47360, 51245, 55400, 59200, 64000, 69250, 70912, 74000, 81992, 88640, 94720, 102490, 110800, 118400, 128000, 138500, 141824, 148000, 163984, 177280, 189440, 204980, 221600, 236800, 256225, 277000, 283648, 296000, 327968, 354560, 409960, 443200, 473600, 512450, 554000, 592000, 655936, 709120, 819920, 886400, 947200, 1024900, 1108000, 1184000, 1281125, 1311872, 1418240, 1639840, 1772800, 2049800, 2216000, 2368000, 2562250, 2623744, 3279680, 3545600, 4099600, 4432000, 4736000, 5124500, 5247488, 6559360, 7091200, 8199200, 8864000, 10249000, 10494976, 13118720, 16398400, 17728000, 20498000, 26237440, 32796800, 35456000, 40996000, 52474880, 65593600, 81992000, 131187200, 163984000, 262374400, 327968000, 655936000, 1311872000]

約数ペア:

[(1, 1311872000), (2, 655936000), (4, 327968000), (5, 262374400), (8, 163984000), (10, 131187200), (16, 81992000), (20, 65593600), (25, 52474880), (32, 40996000), (37, 35456000), (40, 32796800), (50, 26237440), (64, 20498000), (74, 17728000), (80, 16398400), (100, 13118720), (125, 10494976), (128, 10249000), (148, 8864000), (160, 8199200), (185, 7091200), (200, 6559360), (250, 5247488), (256, 5124500), (277, 4736000), (296, 4432000), (320, 4099600), (370, 3545600), (400, 3279680), (500, 2623744), (512, 2562250), (554, 2368000), (592, 2216000), (640, 2049800), (740, 1772800), (800, 1639840), (925, 1418240), (1000, 1311872), (1024, 1281125), (1108, 1184000), (1184, 1108000), (1280, 1024900), (1385, 947200), (1480, 886400), (1600, 819920), (1850, 709120), (2000, 655936), (2216, 592000), (2368, 554000), (2560, 512450), (2770, 473600), (2960, 443200), (3200, 409960), (3700, 354560), (4000, 327968), (4432, 296000), (4625, 283648), (4736, 277000), (5120, 256225), (5540, 236800), (5920, 221600), (6400, 204980), (6925, 189440), (7400, 177280), (8000, 163984), (8864, 148000), (9250, 141824), (9472, 138500), (10249, 128000), (11080, 118400), (11840, 110800), (12800, 102490), (13850, 94720), (14800, 88640), (16000, 81992), (17728, 74000), (18500, 70912), (18944, 69250), (20498, 64000), (22160, 59200), (23680, 55400), (25600, 51245), (27700, 47360), (29600, 44320), (32000, 40996), (34625, 37888), (35456, 37000)]