19678080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 64651680

約数和(自身を除く): 44973600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 277, 296, 320, 370, 384, 444, 480, 554, 555, 592, 640, 740, 831, 888, 960, 1108, 1110, 1184, 1385, 1480, 1662, 1776, 1920, 2216, 2220, 2368, 2770, 2960, 3324, 3552, 4155, 4432, 4440, 4736, 5540, 5920, 6648, 7104, 8310, 8864, 8880, 10249, 11080, 11840, 13296, 14208, 16620, 17728, 17760, 20498, 22160, 23680, 26592, 30747, 33240, 35456, 35520, 40996, 44320, 51245, 53184, 61494, 66480, 71040, 81992, 88640, 102490, 106368, 122988, 132960, 153735, 163984, 177280, 204980, 245976, 265920, 307470, 327968, 409960, 491952, 531840, 614940, 655936, 819920, 983904, 1229880, 1311872, 1639840, 1967808, 2459760, 3279680, 3935616, 4919520, 6559360, 9839040, 19678080]

約数ペア:

[(1, 19678080), (2, 9839040), (3, 6559360), (4, 4919520), (5, 3935616), (6, 3279680), (8, 2459760), (10, 1967808), (12, 1639840), (15, 1311872), (16, 1229880), (20, 983904), (24, 819920), (30, 655936), (32, 614940), (37, 531840), (40, 491952), (48, 409960), (60, 327968), (64, 307470), (74, 265920), (80, 245976), (96, 204980), (111, 177280), (120, 163984), (128, 153735), (148, 132960), (160, 122988), (185, 106368), (192, 102490), (222, 88640), (240, 81992), (277, 71040), (296, 66480), (320, 61494), (370, 53184), (384, 51245), (444, 44320), (480, 40996), (554, 35520), (555, 35456), (592, 33240), (640, 30747), (740, 26592), (831, 23680), (888, 22160), (960, 20498), (1108, 17760), (1110, 17728), (1184, 16620), (1385, 14208), (1480, 13296), (1662, 11840), (1776, 11080), (1920, 10249), (2216, 8880), (2220, 8864), (2368, 8310), (2770, 7104), (2960, 6648), (3324, 5920), (3552, 5540), (4155, 4736), (4432, 4440)]