40980960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 141523200

約数和(自身を除く): 100542240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 191, 240, 288, 298, 360, 382, 447, 480, 573, 596, 720, 745, 764, 894, 955, 1146, 1192, 1341, 1440, 1490, 1528, 1719, 1788, 1910, 2235, 2292, 2384, 2682, 2865, 2980, 3056, 3438, 3576, 3820, 4470, 4584, 4768, 5364, 5730, 5960, 6112, 6705, 6876, 7152, 7640, 8595, 8940, 9168, 10728, 11460, 11920, 13410, 13752, 14304, 15280, 17190, 17880, 18336, 21456, 22920, 23840, 26820, 27504, 28459, 30560, 34380, 35760, 42912, 45840, 53640, 55008, 56918, 68760, 71520, 85377, 91680, 107280, 113836, 137520, 142295, 170754, 214560, 227672, 256131, 275040, 284590, 341508, 426885, 455344, 512262, 569180, 683016, 853770, 910688, 1024524, 1138360, 1280655, 1366032, 1707540, 2049048, 2276720, 2561310, 2732064, 3415080, 4098096, 4553440, 5122620, 6830160, 8196192, 10245240, 13660320, 20490480, 40980960]

約数ペア:

[(1, 40980960), (2, 20490480), (3, 13660320), (4, 10245240), (5, 8196192), (6, 6830160), (8, 5122620), (9, 4553440), (10, 4098096), (12, 3415080), (15, 2732064), (16, 2561310), (18, 2276720), (20, 2049048), (24, 1707540), (30, 1366032), (32, 1280655), (36, 1138360), (40, 1024524), (45, 910688), (48, 853770), (60, 683016), (72, 569180), (80, 512262), (90, 455344), (96, 426885), (120, 341508), (144, 284590), (149, 275040), (160, 256131), (180, 227672), (191, 214560), (240, 170754), (288, 142295), (298, 137520), (360, 113836), (382, 107280), (447, 91680), (480, 85377), (573, 71520), (596, 68760), (720, 56918), (745, 55008), (764, 53640), (894, 45840), (955, 42912), (1146, 35760), (1192, 34380), (1341, 30560), (1440, 28459), (1490, 27504), (1528, 26820), (1719, 23840), (1788, 22920), (1910, 21456), (2235, 18336), (2292, 17880), (2384, 17190), (2682, 15280), (2865, 14304), (2980, 13752), (3056, 13410), (3438, 11920), (3576, 11460), (3820, 10728), (4470, 9168), (4584, 8940), (4768, 8595), (5364, 7640), (5730, 7152), (5960, 6876), (6112, 6705)]