2155657980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:569

約数の個数: 288

約数和(自身を含む): 7446297600

約数和(自身を除く): 5290639620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 71, 84, 92, 98, 105, 115, 138, 140, 142, 147, 161, 196, 210, 213, 230, 245, 276, 284, 294, 322, 345, 355, 420, 426, 449, 460, 483, 490, 497, 588, 644, 690, 710, 735, 805, 852, 898, 966, 980, 994, 1065, 1127, 1347, 1380, 1420, 1470, 1491, 1610, 1633, 1796, 1932, 1988, 2130, 2245, 2254, 2415, 2485, 2694, 2940, 2982, 3143, 3220, 3266, 3381, 3479, 4260, 4490, 4508, 4830, 4899, 4970, 5388, 5635, 5964, 6286, 6532, 6735, 6762, 6958, 7455, 8165, 8980, 9429, 9660, 9798, 9940, 10327, 10437, 11270, 11431, 12572, 13470, 13524, 13916, 14910, 15715, 16330, 16905, 17395, 18858, 19596, 20654, 20874, 22001, 22540, 22862, 24495, 26940, 29820, 30981, 31430, 31879, 32660, 33810, 34293, 34790, 37716, 41308, 41748, 44002, 45724, 47145, 48990, 51635, 52185, 57155, 61962, 62860, 63758, 66003, 67620, 68586, 69580, 72289, 80017, 88004, 94290, 95637, 97980, 103270, 104370, 110005, 114310, 123924, 127516, 132006, 137172, 144578, 154905, 159395, 160034, 171465, 188580, 191274, 206540, 208740, 216867, 220010, 223153, 228620, 240051, 264012, 289156, 309810, 318790, 320068, 330015, 342930, 361445, 382548, 400085, 433734, 440020, 446306, 478185, 480102, 506023, 619620, 637580, 660030, 669459, 685860, 722890, 733217, 800170, 867468, 892612, 956370, 960204, 1012046, 1084335, 1115765, 1200255, 1320060, 1338918, 1445780, 1466434, 1518069, 1562071, 1600340, 1912740, 2024092, 2168670, 2199651, 2231530, 2400510, 2530115, 2677836, 2932868, 3036138, 3124142, 3347295, 3666085, 4337340, 4399302, 4463060, 4686213, 4801020, 5060230, 5132519, 6072276, 6248284, 6694590, 7332170, 7590345, 7810355, 8798604, 9372426, 10120460, 10265038, 10998255, 13389180, 14664340, 15180690, 15397557, 15620710, 18744852, 20530076, 21996510, 23431065, 25662595, 30361380, 30795114, 31241420, 35927633, 43993020, 46862130, 51325190, 61590228, 71855266, 76987785, 93724260, 102650380, 107782899, 143710532, 153975570, 179638165, 215565798, 307951140, 359276330, 431131596, 538914495, 718552660, 1077828990, 2155657980]

約数ペア:

[(1, 2155657980), (2, 1077828990), (3, 718552660), (4, 538914495), (5, 431131596), (6, 359276330), (7, 307951140), (10, 215565798), (12, 179638165), (14, 153975570), (15, 143710532), (20, 107782899), (21, 102650380), (23, 93724260), (28, 76987785), (30, 71855266), (35, 61590228), (42, 51325190), (46, 46862130), (49, 43993020), (60, 35927633), (69, 31241420), (70, 30795114), (71, 30361380), (84, 25662595), (92, 23431065), (98, 21996510), (105, 20530076), (115, 18744852), (138, 15620710), (140, 15397557), (142, 15180690), (147, 14664340), (161, 13389180), (196, 10998255), (210, 10265038), (213, 10120460), (230, 9372426), (245, 8798604), (276, 7810355), (284, 7590345), (294, 7332170), (322, 6694590), (345, 6248284), (355, 6072276), (420, 5132519), (426, 5060230), (449, 4801020), (460, 4686213), (483, 4463060), (490, 4399302), (497, 4337340), (588, 3666085), (644, 3347295), (690, 3124142), (710, 3036138), (735, 2932868), (805, 2677836), (852, 2530115), (898, 2400510), (966, 2231530), (980, 2199651), (994, 2168670), (1065, 2024092), (1127, 1912740), (1347, 1600340), (1380, 1562071), (1420, 1518069), (1470, 1466434), (1491, 1445780), (1610, 1338918), (1633, 1320060), (1796, 1200255), (1932, 1115765), (1988, 1084335), (2130, 1012046), (2245, 960204), (2254, 956370), (2415, 892612), (2485, 867468), (2694, 800170), (2940, 733217), (2982, 722890), (3143, 685860), (3220, 669459), (3266, 660030), (3381, 637580), (3479, 619620), (4260, 506023), (4490, 480102), (4508, 478185), (4830, 446306), (4899, 440020), (4970, 433734), (5388, 400085), (5635, 382548), (5964, 361445), (6286, 342930), (6532, 330015), (6735, 320068), (6762, 318790), (6958, 309810), (7455, 289156), (8165, 264012), (8980, 240051), (9429, 228620), (9660, 223153), (9798, 220010), (9940, 216867), (10327, 208740), (10437, 206540), (11270, 191274), (11431, 188580), (12572, 171465), (13470, 160034), (13524, 159395), (13916, 154905), (14910, 144578), (15715, 137172), (16330, 132006), (16905, 127516), (17395, 123924), (18858, 114310), (19596, 110005), (20654, 104370), (20874, 103270), (22001, 97980), (22540, 95637), (22862, 94290), (24495, 88004), (26940, 80017), (29820, 72289), (30981, 69580), (31430, 68586), (31879, 67620), (32660, 66003), (33810, 63758), (34293, 62860), (34790, 61962), (37716, 57155), (41308, 52185), (41748, 51635), (44002, 48990), (45724, 47145)]