20512781340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1980

約数の個数: 192

約数和(自身を含む): 60625152000

約数和(自身を除く): 40112370660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 59, 60, 79, 82, 118, 123, 158, 164, 177, 205, 236, 237, 246, 295, 316, 354, 395, 410, 474, 492, 590, 615, 708, 790, 820, 885, 948, 1180, 1185, 1230, 1580, 1770, 1789, 2370, 2419, 2460, 3239, 3540, 3578, 4661, 4740, 4838, 5367, 6478, 7156, 7257, 8945, 9322, 9676, 9717, 10734, 12095, 12956, 13983, 14514, 16195, 17890, 18644, 19434, 21468, 23305, 24190, 26835, 27966, 29028, 32390, 35780, 36285, 38868, 46610, 48380, 48585, 53670, 55932, 64780, 69915, 72570, 73349, 93220, 97170, 105551, 107340, 139830, 141331, 145140, 146698, 191101, 194340, 211102, 220047, 279660, 282662, 293396, 316653, 366745, 382202, 422204, 423993, 440094, 527755, 565324, 573303, 633306, 706655, 733490, 764404, 847986, 880188, 955505, 1055510, 1100235, 1146606, 1266612, 1413310, 1466980, 1583265, 1695972, 1911010, 2111020, 2119965, 2200470, 2293212, 2826620, 2866515, 3166530, 3822020, 4239930, 4327591, 4400940, 5733030, 5794571, 6333060, 8338529, 8479860, 8655182, 11466060, 11589142, 12982773, 16677058, 17310364, 17383713, 21637955, 23178284, 25015587, 25965546, 28972855, 33354116, 34767426, 41692645, 43275910, 50031174, 51931092, 57945710, 64913865, 69534852, 83385290, 86551820, 86918565, 100062348, 115891420, 125077935, 129827730, 166770580, 173837130, 250155870, 259655460, 341879689, 347674260, 500311740, 683759378, 1025639067, 1367518756, 1709398445, 2051278134, 3418796890, 4102556268, 5128195335, 6837593780, 10256390670, 20512781340]

約数ペア:

[(1, 20512781340), (2, 10256390670), (3, 6837593780), (4, 5128195335), (5, 4102556268), (6, 3418796890), (10, 2051278134), (12, 1709398445), (15, 1367518756), (20, 1025639067), (30, 683759378), (41, 500311740), (59, 347674260), (60, 341879689), (79, 259655460), (82, 250155870), (118, 173837130), (123, 166770580), (158, 129827730), (164, 125077935), (177, 115891420), (205, 100062348), (236, 86918565), (237, 86551820), (246, 83385290), (295, 69534852), (316, 64913865), (354, 57945710), (395, 51931092), (410, 50031174), (474, 43275910), (492, 41692645), (590, 34767426), (615, 33354116), (708, 28972855), (790, 25965546), (820, 25015587), (885, 23178284), (948, 21637955), (1180, 17383713), (1185, 17310364), (1230, 16677058), (1580, 12982773), (1770, 11589142), (1789, 11466060), (2370, 8655182), (2419, 8479860), (2460, 8338529), (3239, 6333060), (3540, 5794571), (3578, 5733030), (4661, 4400940), (4740, 4327591), (4838, 4239930), (5367, 3822020), (6478, 3166530), (7156, 2866515), (7257, 2826620), (8945, 2293212), (9322, 2200470), (9676, 2119965), (9717, 2111020), (10734, 1911010), (12095, 1695972), (12956, 1583265), (13983, 1466980), (14514, 1413310), (16195, 1266612), (17890, 1146606), (18644, 1100235), (19434, 1055510), (21468, 955505), (23305, 880188), (24190, 847986), (26835, 764404), (27966, 733490), (29028, 706655), (32390, 633306), (35780, 573303), (36285, 565324), (38868, 527755), (46610, 440094), (48380, 423993), (48585, 422204), (53670, 382202), (55932, 366745), (64780, 316653), (69915, 293396), (72570, 282662), (73349, 279660), (93220, 220047), (97170, 211102), (105551, 194340), (107340, 191101), (139830, 146698), (141331, 145140)]