138168240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 515681280

約数和(自身を除く): 377513040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 379, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 735, 744, 758, 784, 840, 868, 930, 980, 1085, 1137, 1176, 1240, 1302, 1470, 1488, 1516, 1519, 1680, 1736, 1860, 1895, 1960, 2170, 2274, 2352, 2480, 2604, 2653, 2940, 3032, 3038, 3255, 3472, 3720, 3790, 3920, 4340, 4548, 4557, 5208, 5306, 5685, 5880, 6064, 6076, 6510, 7440, 7580, 7595, 7959, 8680, 9096, 9114, 10416, 10612, 11370, 11749, 11760, 12152, 13020, 13265, 15160, 15190, 15918, 17360, 18192, 18228, 18571, 21224, 22740, 22785, 23498, 24304, 26040, 26530, 30320, 30380, 31836, 35247, 36456, 37142, 39795, 42448, 45480, 45570, 46996, 52080, 53060, 55713, 58745, 60760, 63672, 70494, 72912, 74284, 79590, 82243, 90960, 91140, 92855, 93992, 106120, 111426, 117490, 121520, 127344, 140988, 148568, 159180, 164486, 176235, 182280, 185710, 187984, 212240, 222852, 234980, 246729, 278565, 281976, 297136, 318360, 328972, 352470, 364560, 371420, 411215, 445704, 469960, 493458, 557130, 563952, 575701, 636720, 657944, 704940, 742840, 822430, 891408, 939920, 986916, 1114260, 1151402, 1233645, 1315888, 1409880, 1485680, 1644860, 1727103, 1973832, 2228520, 2302804, 2467290, 2819760, 2878505, 3289720, 3454206, 3947664, 4457040, 4605608, 4934580, 5757010, 6579440, 6908412, 8635515, 9211216, 9869160, 11514020, 13816824, 17271030, 19738320, 23028040, 27633648, 34542060, 46056080, 69084120, 138168240]

約数ペア:

[(1, 138168240), (2, 69084120), (3, 46056080), (4, 34542060), (5, 27633648), (6, 23028040), (7, 19738320), (8, 17271030), (10, 13816824), (12, 11514020), (14, 9869160), (15, 9211216), (16, 8635515), (20, 6908412), (21, 6579440), (24, 5757010), (28, 4934580), (30, 4605608), (31, 4457040), (35, 3947664), (40, 3454206), (42, 3289720), (48, 2878505), (49, 2819760), (56, 2467290), (60, 2302804), (62, 2228520), (70, 1973832), (80, 1727103), (84, 1644860), (93, 1485680), (98, 1409880), (105, 1315888), (112, 1233645), (120, 1151402), (124, 1114260), (140, 986916), (147, 939920), (155, 891408), (168, 822430), (186, 742840), (196, 704940), (210, 657944), (217, 636720), (240, 575701), (245, 563952), (248, 557130), (280, 493458), (294, 469960), (310, 445704), (336, 411215), (372, 371420), (379, 364560), (392, 352470), (420, 328972), (434, 318360), (465, 297136), (490, 281976), (496, 278565), (560, 246729), (588, 234980), (620, 222852), (651, 212240), (735, 187984), (744, 185710), (758, 182280), (784, 176235), (840, 164486), (868, 159180), (930, 148568), (980, 140988), (1085, 127344), (1137, 121520), (1176, 117490), (1240, 111426), (1302, 106120), (1470, 93992), (1488, 92855), (1516, 91140), (1519, 90960), (1680, 82243), (1736, 79590), (1860, 74284), (1895, 72912), (1960, 70494), (2170, 63672), (2274, 60760), (2352, 58745), (2480, 55713), (2604, 53060), (2653, 52080), (2940, 46996), (3032, 45570), (3038, 45480), (3255, 42448), (3472, 39795), (3720, 37142), (3790, 36456), (3920, 35247), (4340, 31836), (4548, 30380), (4557, 30320), (5208, 26530), (5306, 26040), (5685, 24304), (5880, 23498), (6064, 22785), (6076, 22740), (6510, 21224), (7440, 18571), (7580, 18228), (7595, 18192), (7959, 17360), (8680, 15918), (9096, 15190), (9114, 15160), (10416, 13265), (10612, 13020), (11370, 12152), (11749, 11760)]