1287285480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:641

約数の個数: 256

約数和(自身を含む): 4651718400

約数和(自身を除く): 3364432920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 277, 312, 331, 351, 360, 390, 468, 520, 540, 554, 585, 662, 702, 780, 831, 936, 993, 1080, 1108, 1170, 1324, 1385, 1404, 1560, 1655, 1662, 1755, 1986, 2216, 2340, 2493, 2648, 2770, 2808, 2979, 3310, 3324, 3510, 3601, 3972, 4155, 4303, 4680, 4965, 4986, 5540, 5958, 6620, 6648, 7020, 7202, 7479, 7944, 8310, 8606, 8937, 9930, 9972, 10803, 11080, 11916, 12465, 12909, 13240, 14040, 14404, 14895, 14958, 16620, 17212, 17874, 18005, 19860, 19944, 21515, 21606, 23832, 24930, 25818, 28808, 29790, 29916, 32409, 33240, 34424, 35748, 36010, 37395, 38727, 39720, 43030, 43212, 44685, 49860, 51636, 54015, 59580, 59832, 64545, 64818, 71496, 72020, 74790, 77454, 86060, 86424, 89370, 91687, 97227, 99720, 103272, 108030, 116181, 119160, 129090, 129636, 144040, 149580, 154908, 162045, 172120, 178740, 183374, 193635, 194454, 216060, 232362, 258180, 259272, 275061, 299160, 309816, 324090, 357480, 366748, 387270, 388908, 432120, 458435, 464724, 486135, 516360, 550122, 580905, 648180, 733496, 774540, 777816, 825183, 916870, 929448, 972270, 1100244, 1161810, 1191931, 1296360, 1375305, 1549080, 1650366, 1833740, 1944540, 2200488, 2323620, 2383862, 2475549, 2750610, 3300732, 3575793, 3667480, 3889080, 4125915, 4647240, 4767724, 4951098, 5501220, 5959655, 6601464, 7151586, 8251830, 9535448, 9902196, 10727379, 11002440, 11919310, 12377745, 14303172, 16503660, 17878965, 19804392, 21454758, 23838620, 24755490, 28606344, 32182137, 33007320, 35757930, 42909516, 47677240, 49510980, 53636895, 64364274, 71515860, 85819032, 99021960, 107273790, 128728548, 143031720, 160910685, 214547580, 257457096, 321821370, 429095160, 643642740, 1287285480]

約数ペア:

[(1, 1287285480), (2, 643642740), (3, 429095160), (4, 321821370), (5, 257457096), (6, 214547580), (8, 160910685), (9, 143031720), (10, 128728548), (12, 107273790), (13, 99021960), (15, 85819032), (18, 71515860), (20, 64364274), (24, 53636895), (26, 49510980), (27, 47677240), (30, 42909516), (36, 35757930), (39, 33007320), (40, 32182137), (45, 28606344), (52, 24755490), (54, 23838620), (60, 21454758), (65, 19804392), (72, 17878965), (78, 16503660), (90, 14303172), (104, 12377745), (108, 11919310), (117, 11002440), (120, 10727379), (130, 9902196), (135, 9535448), (156, 8251830), (180, 7151586), (195, 6601464), (216, 5959655), (234, 5501220), (260, 4951098), (270, 4767724), (277, 4647240), (312, 4125915), (331, 3889080), (351, 3667480), (360, 3575793), (390, 3300732), (468, 2750610), (520, 2475549), (540, 2383862), (554, 2323620), (585, 2200488), (662, 1944540), (702, 1833740), (780, 1650366), (831, 1549080), (936, 1375305), (993, 1296360), (1080, 1191931), (1108, 1161810), (1170, 1100244), (1324, 972270), (1385, 929448), (1404, 916870), (1560, 825183), (1655, 777816), (1662, 774540), (1755, 733496), (1986, 648180), (2216, 580905), (2340, 550122), (2493, 516360), (2648, 486135), (2770, 464724), (2808, 458435), (2979, 432120), (3310, 388908), (3324, 387270), (3510, 366748), (3601, 357480), (3972, 324090), (4155, 309816), (4303, 299160), (4680, 275061), (4965, 259272), (4986, 258180), (5540, 232362), (5958, 216060), (6620, 194454), (6648, 193635), (7020, 183374), (7202, 178740), (7479, 172120), (7944, 162045), (8310, 154908), (8606, 149580), (8937, 144040), (9930, 129636), (9972, 129090), (10803, 119160), (11080, 116181), (11916, 108030), (12465, 103272), (12909, 99720), (13240, 97227), (14040, 91687), (14404, 89370), (14895, 86424), (14958, 86060), (16620, 77454), (17212, 74790), (17874, 72020), (18005, 71496), (19860, 64818), (19944, 64545), (21515, 59832), (21606, 59580), (23832, 54015), (24930, 51636), (25818, 49860), (28808, 44685), (29790, 43212), (29916, 43030), (32409, 39720), (33240, 38727), (34424, 37395), (35748, 36010)]