1219988880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4969}}^1$

素因数の和:5030

約数の個数: 240

約数和(自身を含む): 4614704640

約数和(自身を除く): 3394715760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2232, 2480, 2640, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 4464, 4969, 5115, 5456, 5580, 6138, 6820, 7440, 7920, 8184, 9938, 10230, 11160, 12276, 13640, 14907, 15345, 16368, 19876, 20460, 22320, 24552, 24845, 27280, 29814, 30690, 39752, 40920, 44721, 49104, 49690, 54659, 59628, 61380, 74535, 79504, 81840, 89442, 99380, 109318, 119256, 122760, 149070, 154039, 163977, 178884, 198760, 218636, 223605, 238512, 245520, 273295, 298140, 308078, 327954, 357768, 397520, 437272, 447210, 462117, 491931, 546590, 596280, 616156, 655908, 715536, 770195, 819885, 874544, 894420, 924234, 983862, 1093180, 1192560, 1232312, 1311816, 1386351, 1540390, 1639770, 1694429, 1788840, 1848468, 1967724, 2186360, 2310585, 2459655, 2464624, 2623632, 2772702, 3080780, 3279540, 3388858, 3577680, 3696936, 3935448, 4372720, 4621170, 4919310, 5083287, 5545404, 6161560, 6559080, 6777716, 6931755, 7393872, 7870896, 8472145, 9242340, 9838620, 10166574, 11090808, 12323120, 13118160, 13555432, 13863510, 15249861, 16944290, 18484680, 19677240, 20333148, 22181616, 25416435, 27110864, 27727020, 30499722, 33888580, 36969360, 39354480, 40666296, 50832870, 55454040, 60999444, 67777160, 76249305, 81332592, 101665740, 110908080, 121998888, 135554320, 152498610, 203331480, 243997776, 304997220, 406662960, 609994440, 1219988880]

約数ペア:

[(1, 1219988880), (2, 609994440), (3, 406662960), (4, 304997220), (5, 243997776), (6, 203331480), (8, 152498610), (9, 135554320), (10, 121998888), (11, 110908080), (12, 101665740), (15, 81332592), (16, 76249305), (18, 67777160), (20, 60999444), (22, 55454040), (24, 50832870), (30, 40666296), (31, 39354480), (33, 36969360), (36, 33888580), (40, 30499722), (44, 27727020), (45, 27110864), (48, 25416435), (55, 22181616), (60, 20333148), (62, 19677240), (66, 18484680), (72, 16944290), (80, 15249861), (88, 13863510), (90, 13555432), (93, 13118160), (99, 12323120), (110, 11090808), (120, 10166574), (124, 9838620), (132, 9242340), (144, 8472145), (155, 7870896), (165, 7393872), (176, 6931755), (180, 6777716), (186, 6559080), (198, 6161560), (220, 5545404), (240, 5083287), (248, 4919310), (264, 4621170), (279, 4372720), (310, 3935448), (330, 3696936), (341, 3577680), (360, 3388858), (372, 3279540), (396, 3080780), (440, 2772702), (465, 2623632), (495, 2464624), (496, 2459655), (528, 2310585), (558, 2186360), (620, 1967724), (660, 1848468), (682, 1788840), (720, 1694429), (744, 1639770), (792, 1540390), (880, 1386351), (930, 1311816), (990, 1232312), (1023, 1192560), (1116, 1093180), (1240, 983862), (1320, 924234), (1364, 894420), (1395, 874544), (1488, 819885), (1584, 770195), (1705, 715536), (1860, 655908), (1980, 616156), (2046, 596280), (2232, 546590), (2480, 491931), (2640, 462117), (2728, 447210), (2790, 437272), (3069, 397520), (3410, 357768), (3720, 327954), (3960, 308078), (4092, 298140), (4464, 273295), (4969, 245520), (5115, 238512), (5456, 223605), (5580, 218636), (6138, 198760), (6820, 178884), (7440, 163977), (7920, 154039), (8184, 149070), (9938, 122760), (10230, 119256), (11160, 109318), (12276, 99380), (13640, 89442), (14907, 81840), (15345, 79504), (16368, 74535), (19876, 61380), (20460, 59628), (22320, 54659), (24552, 49690), (24845, 49104), (27280, 44721), (29814, 40920), (30690, 39752)]