152720820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2070

約数の個数: 144

約数和(自身を含む): 538382208

約数和(自身を除く): 385661388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 1987, 2135, 2196, 2562, 2745, 3660, 3843, 3974, 4270, 5124, 5490, 5961, 6405, 7686, 7948, 8540, 9935, 10980, 11922, 12810, 13909, 15372, 17883, 19215, 19870, 23844, 25620, 27818, 29805, 35766, 38430, 39740, 41727, 55636, 59610, 69545, 71532, 76860, 83454, 89415, 119220, 121207, 125181, 139090, 166908, 178830, 208635, 242414, 250362, 278180, 357660, 363621, 417270, 484828, 500724, 606035, 625905, 727242, 834540, 848449, 1090863, 1212070, 1251810, 1454484, 1696898, 1818105, 2181726, 2424140, 2503620, 2545347, 3393796, 3636210, 4242245, 4363452, 5090694, 5454315, 7272420, 7636041, 8484490, 10181388, 10908630, 12726735, 15272082, 16968980, 21817260, 25453470, 30544164, 38180205, 50906940, 76360410, 152720820]

約数ペア:

[(1, 152720820), (2, 76360410), (3, 50906940), (4, 38180205), (5, 30544164), (6, 25453470), (7, 21817260), (9, 16968980), (10, 15272082), (12, 12726735), (14, 10908630), (15, 10181388), (18, 8484490), (20, 7636041), (21, 7272420), (28, 5454315), (30, 5090694), (35, 4363452), (36, 4242245), (42, 3636210), (45, 3393796), (60, 2545347), (61, 2503620), (63, 2424140), (70, 2181726), (84, 1818105), (90, 1696898), (105, 1454484), (122, 1251810), (126, 1212070), (140, 1090863), (180, 848449), (183, 834540), (210, 727242), (244, 625905), (252, 606035), (305, 500724), (315, 484828), (366, 417270), (420, 363621), (427, 357660), (549, 278180), (610, 250362), (630, 242414), (732, 208635), (854, 178830), (915, 166908), (1098, 139090), (1220, 125181), (1260, 121207), (1281, 119220), (1708, 89415), (1830, 83454), (1987, 76860), (2135, 71532), (2196, 69545), (2562, 59610), (2745, 55636), (3660, 41727), (3843, 39740), (3974, 38430), (4270, 35766), (5124, 29805), (5490, 27818), (5961, 25620), (6405, 23844), (7686, 19870), (7948, 19215), (8540, 17883), (9935, 15372), (10980, 13909), (11922, 12810)]