19979173620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{299179}}^1$

素因数の和:299254

約数の個数: 144

約数和(自身を含む): 70568184960

約数和(自身を除く): 50589011340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3339, 3710, 4452, 4770, 5565, 6678, 7420, 9540, 11130, 13356, 16695, 22260, 33390, 66780, 299179, 598358, 897537, 1196716, 1495895, 1795074, 2094253, 2692611, 2991790, 3590148, 4188506, 4487685, 5385222, 5983580, 6282759, 8377012, 8975370, 10471265, 10770444, 12565518, 13463055, 15856487, 17950740, 18848277, 20942530, 25131036, 26926110, 31413795, 31712974, 37696554, 41885060, 47569461, 53852220, 62827590, 63425948, 75393108, 79282435, 94241385, 95138922, 110995409, 125655180, 142708383, 158564870, 188482770, 190277844, 221990818, 237847305, 285416766, 317129740, 332986227, 376965540, 443981636, 475694610, 554977045, 570833532, 665972454, 713541915, 951389220, 998958681, 1109954090, 1331944908, 1427083830, 1664931135, 1997917362, 2219908180, 2854167660, 3329862270, 3995834724, 4994793405, 6659724540, 9989586810, 19979173620]

約数ペア:

[(1, 19979173620), (2, 9989586810), (3, 6659724540), (4, 4994793405), (5, 3995834724), (6, 3329862270), (7, 2854167660), (9, 2219908180), (10, 1997917362), (12, 1664931135), (14, 1427083830), (15, 1331944908), (18, 1109954090), (20, 998958681), (21, 951389220), (28, 713541915), (30, 665972454), (35, 570833532), (36, 554977045), (42, 475694610), (45, 443981636), (53, 376965540), (60, 332986227), (63, 317129740), (70, 285416766), (84, 237847305), (90, 221990818), (105, 190277844), (106, 188482770), (126, 158564870), (140, 142708383), (159, 125655180), (180, 110995409), (210, 95138922), (212, 94241385), (252, 79282435), (265, 75393108), (315, 63425948), (318, 62827590), (371, 53852220), (420, 47569461), (477, 41885060), (530, 37696554), (630, 31712974), (636, 31413795), (742, 26926110), (795, 25131036), (954, 20942530), (1060, 18848277), (1113, 17950740), (1260, 15856487), (1484, 13463055), (1590, 12565518), (1855, 10770444), (1908, 10471265), (2226, 8975370), (2385, 8377012), (3180, 6282759), (3339, 5983580), (3710, 5385222), (4452, 4487685), (4770, 4188506), (5565, 3590148), (6678, 2991790), (7420, 2692611), (9540, 2094253), (11130, 1795074), (13356, 1495895), (16695, 1196716), (22260, 897537), (33390, 598358), (66780, 299179)]