30378040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 96

約数和(自身を含む): 86799600

約数和(自身を除く): 56421560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1409, 1540, 1960, 2156, 2695, 2818, 3080, 4312, 5390, 5636, 7045, 9863, 10780, 11272, 14090, 15499, 19726, 21560, 28180, 30998, 39452, 49315, 56360, 61996, 69041, 77495, 78904, 98630, 108493, 123992, 138082, 154990, 197260, 216986, 276164, 309980, 345205, 394520, 433972, 542465, 552328, 619960, 690410, 759451, 867944, 1084930, 1380820, 1518902, 2169860, 2761640, 3037804, 3797255, 4339720, 6075608, 7594510, 15189020, 30378040]

約数ペア:

[(1, 30378040), (2, 15189020), (4, 7594510), (5, 6075608), (7, 4339720), (8, 3797255), (10, 3037804), (11, 2761640), (14, 2169860), (20, 1518902), (22, 1380820), (28, 1084930), (35, 867944), (40, 759451), (44, 690410), (49, 619960), (55, 552328), (56, 542465), (70, 433972), (77, 394520), (88, 345205), (98, 309980), (110, 276164), (140, 216986), (154, 197260), (196, 154990), (220, 138082), (245, 123992), (280, 108493), (308, 98630), (385, 78904), (392, 77495), (440, 69041), (490, 61996), (539, 56360), (616, 49315), (770, 39452), (980, 30998), (1078, 28180), (1409, 21560), (1540, 19726), (1960, 15499), (2156, 14090), (2695, 11272), (2818, 10780), (3080, 9863), (4312, 7045), (5390, 5636)]