1981958220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10111}}^1$

素因数の和:10154

約数の個数: 180

約数和(自身を含む): 6834761472

約数和(自身を除く): 4852803252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 810, 891, 990, 1089, 1188, 1210, 1452, 1485, 1620, 1782, 1815, 1980, 2178, 2420, 2970, 3267, 3564, 3630, 4356, 4455, 5445, 5940, 6534, 7260, 8910, 9801, 10111, 10890, 13068, 16335, 17820, 19602, 20222, 21780, 30333, 32670, 39204, 40444, 49005, 50555, 60666, 65340, 90999, 98010, 101110, 111221, 121332, 151665, 181998, 196020, 202220, 222442, 272997, 303330, 333663, 363996, 444884, 454995, 545994, 556105, 606660, 667326, 818991, 909990, 1000989, 1091988, 1112210, 1223431, 1334652, 1364985, 1637982, 1668315, 1819980, 2001978, 2224420, 2446862, 2729970, 3002967, 3275964, 3336630, 3670293, 4003956, 4094955, 4893724, 5004945, 5459940, 6005934, 6117155, 6673260, 7340586, 8189910, 9008901, 10009890, 11010879, 12011868, 12234310, 14681172, 15014835, 16379820, 18017802, 18351465, 20019780, 22021758, 24468620, 30029670, 33032637, 36035604, 36702930, 44043516, 45044505, 55054395, 60059340, 66065274, 73405860, 90089010, 99097911, 110108790, 132130548, 165163185, 180178020, 198195822, 220217580, 330326370, 396391644, 495489555, 660652740, 990979110, 1981958220]

約数ペア:

[(1, 1981958220), (2, 990979110), (3, 660652740), (4, 495489555), (5, 396391644), (6, 330326370), (9, 220217580), (10, 198195822), (11, 180178020), (12, 165163185), (15, 132130548), (18, 110108790), (20, 99097911), (22, 90089010), (27, 73405860), (30, 66065274), (33, 60059340), (36, 55054395), (44, 45044505), (45, 44043516), (54, 36702930), (55, 36035604), (60, 33032637), (66, 30029670), (81, 24468620), (90, 22021758), (99, 20019780), (108, 18351465), (110, 18017802), (121, 16379820), (132, 15014835), (135, 14681172), (162, 12234310), (165, 12011868), (180, 11010879), (198, 10009890), (220, 9008901), (242, 8189910), (270, 7340586), (297, 6673260), (324, 6117155), (330, 6005934), (363, 5459940), (396, 5004945), (405, 4893724), (484, 4094955), (495, 4003956), (540, 3670293), (594, 3336630), (605, 3275964), (660, 3002967), (726, 2729970), (810, 2446862), (891, 2224420), (990, 2001978), (1089, 1819980), (1188, 1668315), (1210, 1637982), (1452, 1364985), (1485, 1334652), (1620, 1223431), (1782, 1112210), (1815, 1091988), (1980, 1000989), (2178, 909990), (2420, 818991), (2970, 667326), (3267, 606660), (3564, 556105), (3630, 545994), (4356, 454995), (4455, 444884), (5445, 363996), (5940, 333663), (6534, 303330), (7260, 272997), (8910, 222442), (9801, 202220), (10111, 196020), (10890, 181998), (13068, 151665), (16335, 121332), (17820, 111221), (19602, 101110), (20222, 98010), (21780, 90999), (30333, 65340), (32670, 60666), (39204, 50555), (40444, 49005)]