2688954880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1093}}^1$

素因数の和:1178

約数の個数: 120

約数和(自身を含む): 6667967196

約数和(自身を除く): 3979012316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1093, 1240, 1280, 1922, 1984, 2186, 2480, 2560, 3844, 3968, 4372, 4805, 4960, 5465, 7688, 7936, 8744, 9610, 9920, 10930, 15376, 15872, 17488, 19220, 19840, 21860, 30752, 33883, 34976, 38440, 39680, 43720, 61504, 67766, 69952, 76880, 79360, 87440, 123008, 135532, 139904, 153760, 169415, 174880, 246016, 271064, 279808, 307520, 338830, 349760, 492032, 542128, 559616, 615040, 677660, 699520, 1050373, 1084256, 1230080, 1355320, 1399040, 2100746, 2168512, 2460160, 2710640, 2798080, 4201492, 4337024, 5251865, 5421280, 8402984, 8674048, 10503730, 10842560, 16805968, 17348096, 21007460, 21685120, 33611936, 42014920, 43370240, 67223872, 84029840, 86740480, 134447744, 168059680, 268895488, 336119360, 537790976, 672238720, 1344477440, 2688954880]

約数ペア:

[(1, 2688954880), (2, 1344477440), (4, 672238720), (5, 537790976), (8, 336119360), (10, 268895488), (16, 168059680), (20, 134447744), (31, 86740480), (32, 84029840), (40, 67223872), (62, 43370240), (64, 42014920), (80, 33611936), (124, 21685120), (128, 21007460), (155, 17348096), (160, 16805968), (248, 10842560), (256, 10503730), (310, 8674048), (320, 8402984), (496, 5421280), (512, 5251865), (620, 4337024), (640, 4201492), (961, 2798080), (992, 2710640), (1093, 2460160), (1240, 2168512), (1280, 2100746), (1922, 1399040), (1984, 1355320), (2186, 1230080), (2480, 1084256), (2560, 1050373), (3844, 699520), (3968, 677660), (4372, 615040), (4805, 559616), (4960, 542128), (5465, 492032), (7688, 349760), (7936, 338830), (8744, 307520), (9610, 279808), (9920, 271064), (10930, 246016), (15376, 174880), (15872, 169415), (17488, 153760), (19220, 139904), (19840, 135532), (21860, 123008), (30752, 87440), (33883, 79360), (34976, 76880), (38440, 69952), (39680, 67766), (43720, 61504)]