20211457860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{739}}^1$

素因数の和:1511

約数の個数: 288

約数和(自身を含む): 70593868800

約数和(自身を除く): 50382410940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 727, 739, 836, 855, 990, 1045, 1140, 1254, 1454, 1478, 1710, 1881, 1980, 2090, 2181, 2217, 2508, 2908, 2956, 3135, 3420, 3635, 3695, 3762, 4180, 4362, 4434, 6270, 6543, 6651, 7270, 7390, 7524, 7997, 8129, 8724, 8868, 9405, 10905, 11085, 12540, 13086, 13302, 13813, 14041, 14540, 14780, 15994, 16258, 18810, 21810, 22170, 23991, 24387, 26172, 26604, 27626, 28082, 31988, 32516, 32715, 33255, 37620, 39985, 40645, 41439, 42123, 43620, 44340, 47982, 48774, 55252, 56164, 65430, 66510, 69065, 70205, 71973, 73161, 79970, 81290, 82878, 84246, 95964, 97548, 119955, 121935, 124317, 126369, 130860, 133020, 138130, 140410, 143946, 146322, 151943, 154451, 159940, 162580, 165756, 168492, 207195, 210615, 239910, 243870, 248634, 252738, 276260, 280820, 287892, 292644, 303886, 308902, 359865, 365805, 414390, 421230, 455829, 463353, 479820, 487740, 497268, 505476, 537253, 607772, 617804, 621585, 631845, 719730, 731610, 759715, 772255, 828780, 842460, 911658, 926706, 1074506, 1243170, 1263690, 1367487, 1390059, 1439460, 1463220, 1519430, 1544510, 1611759, 1823316, 1853412, 2149012, 2279145, 2316765, 2486340, 2527380, 2686265, 2734974, 2780118, 3038860, 3089020, 3223518, 4558290, 4633530, 4835277, 5372530, 5469948, 5560236, 5909783, 6447036, 6837435, 6950295, 8058795, 9116580, 9267060, 9670554, 10207807, 10745060, 11819566, 13674870, 13900590, 16117590, 17729349, 19341108, 20415614, 23639132, 24176385, 27349740, 27801180, 29548915, 30623421, 32235180, 35458698, 40831228, 48352770, 51039035, 53188047, 59097830, 61246842, 70917396, 88646745, 91870263, 96705540, 102078070, 106376094, 112285877, 118195660, 122493684, 153117105, 177293490, 183740526, 204156140, 212752188, 224571754, 265940235, 306234210, 336857631, 354586980, 367481052, 449143508, 459351315, 531880470, 561429385, 612468420, 673715262, 918702630, 1010572893, 1063760940, 1122858770, 1347430524, 1684288155, 1837405260, 2021145786, 2245717540, 3368576310, 4042291572, 5052864465, 6737152620, 10105728930, 20211457860]

約数ペア:

[(1, 20211457860), (2, 10105728930), (3, 6737152620), (4, 5052864465), (5, 4042291572), (6, 3368576310), (9, 2245717540), (10, 2021145786), (11, 1837405260), (12, 1684288155), (15, 1347430524), (18, 1122858770), (19, 1063760940), (20, 1010572893), (22, 918702630), (30, 673715262), (33, 612468420), (36, 561429385), (38, 531880470), (44, 459351315), (45, 449143508), (55, 367481052), (57, 354586980), (60, 336857631), (66, 306234210), (76, 265940235), (90, 224571754), (95, 212752188), (99, 204156140), (110, 183740526), (114, 177293490), (132, 153117105), (165, 122493684), (171, 118195660), (180, 112285877), (190, 106376094), (198, 102078070), (209, 96705540), (220, 91870263), (228, 88646745), (285, 70917396), (330, 61246842), (342, 59097830), (380, 53188047), (396, 51039035), (418, 48352770), (495, 40831228), (570, 35458698), (627, 32235180), (660, 30623421), (684, 29548915), (727, 27801180), (739, 27349740), (836, 24176385), (855, 23639132), (990, 20415614), (1045, 19341108), (1140, 17729349), (1254, 16117590), (1454, 13900590), (1478, 13674870), (1710, 11819566), (1881, 10745060), (1980, 10207807), (2090, 9670554), (2181, 9267060), (2217, 9116580), (2508, 8058795), (2908, 6950295), (2956, 6837435), (3135, 6447036), (3420, 5909783), (3635, 5560236), (3695, 5469948), (3762, 5372530), (4180, 4835277), (4362, 4633530), (4434, 4558290), (6270, 3223518), (6543, 3089020), (6651, 3038860), (7270, 2780118), (7390, 2734974), (7524, 2686265), (7997, 2527380), (8129, 2486340), (8724, 2316765), (8868, 2279145), (9405, 2149012), (10905, 1853412), (11085, 1823316), (12540, 1611759), (13086, 1544510), (13302, 1519430), (13813, 1463220), (14041, 1439460), (14540, 1390059), (14780, 1367487), (15994, 1263690), (16258, 1243170), (18810, 1074506), (21810, 926706), (22170, 911658), (23991, 842460), (24387, 828780), (26172, 772255), (26604, 759715), (27626, 731610), (28082, 719730), (31988, 631845), (32516, 621585), (32715, 617804), (33255, 607772), (37620, 537253), (39985, 505476), (40645, 497268), (41439, 487740), (42123, 479820), (43620, 463353), (44340, 455829), (47982, 421230), (48774, 414390), (55252, 365805), (56164, 359865), (65430, 308902), (66510, 303886), (69065, 292644), (70205, 287892), (71973, 280820), (73161, 276260), (79970, 252738), (81290, 248634), (82878, 243870), (84246, 239910), (95964, 210615), (97548, 207195), (119955, 168492), (121935, 165756), (124317, 162580), (126369, 159940), (130860, 154451), (133020, 151943), (138130, 146322), (140410, 143946)]