2490718320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43789}}^1$

素因数の和:43887

約数の個数: 120

約数和(自身を含む): 8470737600

約数和(自身を除く): 5980019280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 43789, 56880, 87578, 131367, 175156, 218945, 262734, 350312, 394101, 437890, 525468, 656835, 700624, 788202, 875780, 1050936, 1313670, 1576404, 1751560, 1970505, 2101872, 2627340, 3152808, 3459331, 3503120, 3941010, 5254680, 6305616, 6918662, 7882020, 10377993, 10509360, 13837324, 15764040, 17296655, 20755986, 27674648, 31133979, 31528080, 34593310, 41511972, 51889965, 55349296, 62267958, 69186620, 83023944, 103779930, 124535916, 138373240, 155669895, 166047888, 207559860, 249071832, 276746480, 311339790, 415119720, 498143664, 622679580, 830239440, 1245359160, 2490718320]

約数ペア:

[(1, 2490718320), (2, 1245359160), (3, 830239440), (4, 622679580), (5, 498143664), (6, 415119720), (8, 311339790), (9, 276746480), (10, 249071832), (12, 207559860), (15, 166047888), (16, 155669895), (18, 138373240), (20, 124535916), (24, 103779930), (30, 83023944), (36, 69186620), (40, 62267958), (45, 55349296), (48, 51889965), (60, 41511972), (72, 34593310), (79, 31528080), (80, 31133979), (90, 27674648), (120, 20755986), (144, 17296655), (158, 15764040), (180, 13837324), (237, 10509360), (240, 10377993), (316, 7882020), (360, 6918662), (395, 6305616), (474, 5254680), (632, 3941010), (711, 3503120), (720, 3459331), (790, 3152808), (948, 2627340), (1185, 2101872), (1264, 1970505), (1422, 1751560), (1580, 1576404), (1896, 1313670), (2370, 1050936), (2844, 875780), (3160, 788202), (3555, 700624), (3792, 656835), (4740, 525468), (5688, 437890), (6320, 394101), (7110, 350312), (9480, 262734), (11376, 218945), (14220, 175156), (18960, 131367), (28440, 87578), (43789, 56880)]