81862920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 128

約数和(自身を含む): 274896000

約数和(自身を除く): 193033080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 229, 270, 331, 360, 458, 540, 662, 687, 916, 993, 1080, 1145, 1324, 1374, 1655, 1832, 1986, 2061, 2290, 2648, 2748, 2979, 3310, 3435, 3972, 4122, 4580, 4965, 5496, 5958, 6183, 6620, 6870, 7944, 8244, 8937, 9160, 9930, 10305, 11916, 12366, 13240, 13740, 14895, 16488, 17874, 19860, 20610, 23832, 24732, 27480, 29790, 30915, 35748, 39720, 41220, 44685, 49464, 59580, 61830, 71496, 75799, 82440, 89370, 119160, 123660, 151598, 178740, 227397, 247320, 303196, 357480, 378995, 454794, 606392, 682191, 757990, 909588, 1136985, 1364382, 1515980, 1819176, 2046573, 2273970, 2728764, 3031960, 3410955, 4093146, 4547940, 5457528, 6821910, 8186292, 9095880, 10232865, 13643820, 16372584, 20465730, 27287640, 40931460, 81862920]

約数ペア:

[(1, 81862920), (2, 40931460), (3, 27287640), (4, 20465730), (5, 16372584), (6, 13643820), (8, 10232865), (9, 9095880), (10, 8186292), (12, 6821910), (15, 5457528), (18, 4547940), (20, 4093146), (24, 3410955), (27, 3031960), (30, 2728764), (36, 2273970), (40, 2046573), (45, 1819176), (54, 1515980), (60, 1364382), (72, 1136985), (90, 909588), (108, 757990), (120, 682191), (135, 606392), (180, 454794), (216, 378995), (229, 357480), (270, 303196), (331, 247320), (360, 227397), (458, 178740), (540, 151598), (662, 123660), (687, 119160), (916, 89370), (993, 82440), (1080, 75799), (1145, 71496), (1324, 61830), (1374, 59580), (1655, 49464), (1832, 44685), (1986, 41220), (2061, 39720), (2290, 35748), (2648, 30915), (2748, 29790), (2979, 27480), (3310, 24732), (3435, 23832), (3972, 20610), (4122, 19860), (4580, 17874), (4965, 16488), (5496, 14895), (5958, 13740), (6183, 13240), (6620, 12366), (6870, 11916), (7944, 10305), (8244, 9930), (8937, 9160)]