2123013720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{7487}}^1$

素因数の和:7657

約数の個数: 128

約数和(自身を含む): 6793113600

約数和(自身を除く): 4670099880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 139, 170, 204, 255, 278, 340, 408, 417, 510, 556, 680, 695, 834, 1020, 1112, 1390, 1668, 2040, 2085, 2363, 2780, 3336, 4170, 4726, 5560, 7089, 7487, 8340, 9452, 11815, 14178, 14974, 16680, 18904, 22461, 23630, 28356, 29948, 35445, 37435, 44922, 47260, 56712, 59896, 70890, 74870, 89844, 94520, 112305, 127279, 141780, 149740, 179688, 224610, 254558, 283560, 299480, 381837, 449220, 509116, 636395, 763674, 898440, 1018232, 1040693, 1272790, 1527348, 1909185, 2081386, 2545580, 3054696, 3122079, 3818370, 4162772, 5091160, 5203465, 6244158, 7636740, 8325544, 10406930, 12488316, 15273480, 15610395, 17691781, 20813860, 24976632, 31220790, 35383562, 41627720, 53075343, 62441580, 70767124, 88458905, 106150686, 124883160, 141534248, 176917810, 212301372, 265376715, 353835620, 424602744, 530753430, 707671240, 1061506860, 2123013720]

約数ペア:

[(1, 2123013720), (2, 1061506860), (3, 707671240), (4, 530753430), (5, 424602744), (6, 353835620), (8, 265376715), (10, 212301372), (12, 176917810), (15, 141534248), (17, 124883160), (20, 106150686), (24, 88458905), (30, 70767124), (34, 62441580), (40, 53075343), (51, 41627720), (60, 35383562), (68, 31220790), (85, 24976632), (102, 20813860), (120, 17691781), (136, 15610395), (139, 15273480), (170, 12488316), (204, 10406930), (255, 8325544), (278, 7636740), (340, 6244158), (408, 5203465), (417, 5091160), (510, 4162772), (556, 3818370), (680, 3122079), (695, 3054696), (834, 2545580), (1020, 2081386), (1112, 1909185), (1390, 1527348), (1668, 1272790), (2040, 1040693), (2085, 1018232), (2363, 898440), (2780, 763674), (3336, 636395), (4170, 509116), (4726, 449220), (5560, 381837), (7089, 299480), (7487, 283560), (8340, 254558), (9452, 224610), (11815, 179688), (14178, 149740), (14974, 141780), (16680, 127279), (18904, 112305), (22461, 94520), (23630, 89844), (28356, 74870), (29948, 70890), (35445, 59896), (37435, 56712), (44922, 47260)]