1981536120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:966

約数の個数: 192

約数和(自身を含む): 6682141440

約数和(自身を除く): 4700605320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 277, 279, 310, 360, 372, 465, 554, 558, 620, 641, 744, 831, 930, 1108, 1116, 1240, 1282, 1385, 1395, 1662, 1860, 1923, 2216, 2232, 2493, 2564, 2770, 2790, 3205, 3324, 3720, 3846, 4155, 4986, 5128, 5540, 5580, 5769, 6410, 6648, 7692, 8310, 8587, 9615, 9972, 11080, 11160, 11538, 12465, 12820, 15384, 16620, 17174, 19230, 19871, 19944, 23076, 24930, 25640, 25761, 28845, 33240, 34348, 38460, 39742, 42935, 46152, 49860, 51522, 57690, 59613, 68696, 76920, 77283, 79484, 85870, 99355, 99720, 103044, 115380, 119226, 128805, 154566, 158968, 171740, 177557, 178839, 198710, 206088, 230760, 238452, 257610, 298065, 309132, 343480, 355114, 357678, 386415, 397420, 476904, 515220, 532671, 596130, 618264, 710228, 715356, 772830, 794840, 887785, 894195, 1030440, 1065342, 1192260, 1420456, 1430712, 1545660, 1598013, 1775570, 1788390, 2130684, 2384520, 2663355, 3091320, 3196026, 3551140, 3576780, 4261368, 5326710, 5504267, 6392052, 7102280, 7153560, 7990065, 10653420, 11008534, 12784104, 15980130, 16512801, 21306840, 22017068, 27521335, 31960260, 33025602, 44034136, 49538403, 55042670, 63920520, 66051204, 82564005, 99076806, 110085340, 132102408, 165128010, 198153612, 220170680, 247692015, 330256020, 396307224, 495384030, 660512040, 990768060, 1981536120]

約数ペア:

[(1, 1981536120), (2, 990768060), (3, 660512040), (4, 495384030), (5, 396307224), (6, 330256020), (8, 247692015), (9, 220170680), (10, 198153612), (12, 165128010), (15, 132102408), (18, 110085340), (20, 99076806), (24, 82564005), (30, 66051204), (31, 63920520), (36, 55042670), (40, 49538403), (45, 44034136), (60, 33025602), (62, 31960260), (72, 27521335), (90, 22017068), (93, 21306840), (120, 16512801), (124, 15980130), (155, 12784104), (180, 11008534), (186, 10653420), (248, 7990065), (277, 7153560), (279, 7102280), (310, 6392052), (360, 5504267), (372, 5326710), (465, 4261368), (554, 3576780), (558, 3551140), (620, 3196026), (641, 3091320), (744, 2663355), (831, 2384520), (930, 2130684), (1108, 1788390), (1116, 1775570), (1240, 1598013), (1282, 1545660), (1385, 1430712), (1395, 1420456), (1662, 1192260), (1860, 1065342), (1923, 1030440), (2216, 894195), (2232, 887785), (2493, 794840), (2564, 772830), (2770, 715356), (2790, 710228), (3205, 618264), (3324, 596130), (3720, 532671), (3846, 515220), (4155, 476904), (4986, 397420), (5128, 386415), (5540, 357678), (5580, 355114), (5769, 343480), (6410, 309132), (6648, 298065), (7692, 257610), (8310, 238452), (8587, 230760), (9615, 206088), (9972, 198710), (11080, 178839), (11160, 177557), (11538, 171740), (12465, 158968), (12820, 154566), (15384, 128805), (16620, 119226), (17174, 115380), (19230, 103044), (19871, 99720), (19944, 99355), (23076, 85870), (24930, 79484), (25640, 77283), (25761, 76920), (28845, 68696), (33240, 59613), (34348, 57690), (38460, 51522), (39742, 49860), (42935, 46152)]