2190389640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{1013}}^1$

素因数の和:1551

約数の個数: 128

約数和(自身を含む): 6769301760

約数和(自身を除く): 4578912120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 487, 555, 740, 888, 974, 1013, 1110, 1461, 1480, 1948, 2026, 2220, 2435, 2922, 3039, 3896, 4052, 4440, 4870, 5065, 5844, 6078, 7305, 8104, 9740, 10130, 11688, 12156, 14610, 15195, 18019, 19480, 20260, 24312, 29220, 30390, 36038, 37481, 40520, 54057, 58440, 60780, 72076, 74962, 90095, 108114, 112443, 121560, 144152, 149924, 180190, 187405, 216228, 224886, 270285, 299848, 360380, 374810, 432456, 449772, 493331, 540570, 562215, 720760, 749620, 899544, 986662, 1081140, 1124430, 1479993, 1499240, 1973324, 2162280, 2248860, 2466655, 2959986, 3946648, 4497720, 4933310, 5919972, 7399965, 9866620, 11839944, 14799930, 18253247, 19733240, 29599860, 36506494, 54759741, 59199720, 73012988, 91266235, 109519482, 146025976, 182532470, 219038964, 273798705, 365064940, 438077928, 547597410, 730129880, 1095194820, 2190389640]

約数ペア:

[(1, 2190389640), (2, 1095194820), (3, 730129880), (4, 547597410), (5, 438077928), (6, 365064940), (8, 273798705), (10, 219038964), (12, 182532470), (15, 146025976), (20, 109519482), (24, 91266235), (30, 73012988), (37, 59199720), (40, 54759741), (60, 36506494), (74, 29599860), (111, 19733240), (120, 18253247), (148, 14799930), (185, 11839944), (222, 9866620), (296, 7399965), (370, 5919972), (444, 4933310), (487, 4497720), (555, 3946648), (740, 2959986), (888, 2466655), (974, 2248860), (1013, 2162280), (1110, 1973324), (1461, 1499240), (1480, 1479993), (1948, 1124430), (2026, 1081140), (2220, 986662), (2435, 899544), (2922, 749620), (3039, 720760), (3896, 562215), (4052, 540570), (4440, 493331), (4870, 449772), (5065, 432456), (5844, 374810), (6078, 360380), (7305, 299848), (8104, 270285), (9740, 224886), (10130, 216228), (11688, 187405), (12156, 180190), (14610, 149924), (15195, 144152), (18019, 121560), (19480, 112443), (20260, 108114), (24312, 90095), (29220, 74962), (30390, 72076), (36038, 60780), (37481, 58440), (40520, 54057)]