254751360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 816652800

約数和(自身を除く): 561901440

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, 277, 320, 384, 479, 480, 554, 640, 831, 958, 960, 1108, 1385, 1437, 1662, 1916, 1920, 2216, 2395, 2770, 2874, 3324, 3832, 4155, 4432, 4790, 5540, 5748, 6648, 7185, 7664, 8310, 8864, 9580, 11080, 11496, 13296, 14370, 15328, 16620, 17728, 19160, 22160, 22992, 26592, 28740, 30656, 33240, 35456, 38320, 44320, 45984, 53184, 57480, 61312, 66480, 76640, 88640, 91968, 106368, 114960, 132683, 132960, 153280, 177280, 183936, 229920, 265366, 265920, 306560, 398049, 459840, 530732, 531840, 663415, 796098, 919680, 1061464, 1326830, 1592196, 1990245, 2122928, 2653660, 3184392, 3980490, 4245856, 5307320, 6368784, 7960980, 8491712, 10614640, 12737568, 15921960, 16983424, 21229280, 25475136, 31843920, 42458560, 50950272, 63687840, 84917120, 127375680, 254751360]

約数ペア:

[(1, 254751360), (2, 127375680), (3, 84917120), (4, 63687840), (5, 50950272), (6, 42458560), (8, 31843920), (10, 25475136), (12, 21229280), (15, 16983424), (16, 15921960), (20, 12737568), (24, 10614640), (30, 8491712), (32, 7960980), (40, 6368784), (48, 5307320), (60, 4245856), (64, 3980490), (80, 3184392), (96, 2653660), (120, 2122928), (128, 1990245), (160, 1592196), (192, 1326830), (240, 1061464), (277, 919680), (320, 796098), (384, 663415), (479, 531840), (480, 530732), (554, 459840), (640, 398049), (831, 306560), (958, 265920), (960, 265366), (1108, 229920), (1385, 183936), (1437, 177280), (1662, 153280), (1916, 132960), (1920, 132683), (2216, 114960), (2395, 106368), (2770, 91968), (2874, 88640), (3324, 76640), (3832, 66480), (4155, 61312), (4432, 57480), (4790, 53184), (5540, 45984), (5748, 44320), (6648, 38320), (7185, 35456), (7664, 33240), (8310, 30656), (8864, 28740), (9580, 26592), (11080, 22992), (11496, 22160), (13296, 19160), (14370, 17728), (15328, 16620)]