19361280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2521}}^1$

素因数の和:2547

約数の個数: 80

約数和(自身を含む): 61920144

約数和(自身を除く): 42558864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2521, 2560, 3840, 5042, 7563, 7680, 10084, 12605, 15126, 20168, 25210, 30252, 37815, 40336, 50420, 60504, 75630, 80672, 100840, 121008, 151260, 161344, 201680, 242016, 302520, 322688, 403360, 484032, 605040, 645376, 806720, 968064, 1210080, 1290752, 1613440, 1936128, 2420160, 3226880, 3872256, 4840320, 6453760, 9680640, 19361280]

約数ペア:

[(1, 19361280), (2, 9680640), (3, 6453760), (4, 4840320), (5, 3872256), (6, 3226880), (8, 2420160), (10, 1936128), (12, 1613440), (15, 1290752), (16, 1210080), (20, 968064), (24, 806720), (30, 645376), (32, 605040), (40, 484032), (48, 403360), (60, 322688), (64, 302520), (80, 242016), (96, 201680), (120, 161344), (128, 151260), (160, 121008), (192, 100840), (240, 80672), (256, 75630), (320, 60504), (384, 50420), (480, 40336), (512, 37815), (640, 30252), (768, 25210), (960, 20168), (1280, 15126), (1536, 12605), (1920, 10084), (2521, 7680), (2560, 7563), (3840, 5042)]