120878820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 379819440

約数和(自身を除く): 258940620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 101, 109, 122, 180, 183, 202, 218, 244, 303, 305, 327, 366, 404, 436, 505, 545, 549, 606, 610, 654, 732, 909, 915, 981, 1010, 1090, 1098, 1212, 1220, 1308, 1515, 1635, 1818, 1830, 1962, 2020, 2180, 2196, 2745, 3030, 3270, 3636, 3660, 3924, 4545, 4905, 5490, 6060, 6161, 6540, 6649, 9090, 9810, 10980, 11009, 12322, 13298, 18180, 18483, 19620, 19947, 22018, 24644, 26596, 30805, 33027, 33245, 36966, 39894, 44036, 55045, 55449, 59841, 61610, 66054, 66490, 73932, 79788, 92415, 99081, 99735, 110090, 110898, 119682, 123220, 132108, 132980, 165135, 184830, 198162, 199470, 220180, 221796, 239364, 277245, 299205, 330270, 369660, 396324, 398940, 495405, 554490, 598410, 660540, 671549, 990810, 1108980, 1196820, 1343098, 1981620, 2014647, 2686196, 3357745, 4029294, 6043941, 6715490, 8058588, 10073235, 12087882, 13430980, 20146470, 24175764, 30219705, 40292940, 60439410, 120878820]

約数ペア:

[(1, 120878820), (2, 60439410), (3, 40292940), (4, 30219705), (5, 24175764), (6, 20146470), (9, 13430980), (10, 12087882), (12, 10073235), (15, 8058588), (18, 6715490), (20, 6043941), (30, 4029294), (36, 3357745), (45, 2686196), (60, 2014647), (61, 1981620), (90, 1343098), (101, 1196820), (109, 1108980), (122, 990810), (180, 671549), (183, 660540), (202, 598410), (218, 554490), (244, 495405), (303, 398940), (305, 396324), (327, 369660), (366, 330270), (404, 299205), (436, 277245), (505, 239364), (545, 221796), (549, 220180), (606, 199470), (610, 198162), (654, 184830), (732, 165135), (909, 132980), (915, 132108), (981, 123220), (1010, 119682), (1090, 110898), (1098, 110090), (1212, 99735), (1220, 99081), (1308, 92415), (1515, 79788), (1635, 73932), (1818, 66490), (1830, 66054), (1962, 61610), (2020, 59841), (2180, 55449), (2196, 55045), (2745, 44036), (3030, 39894), (3270, 36966), (3636, 33245), (3660, 33027), (3924, 30805), (4545, 26596), (4905, 24644), (5490, 22018), (6060, 19947), (6161, 19620), (6540, 18483), (6649, 18180), (9090, 13298), (9810, 12322), (10980, 11009)]