121200280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 284277600

約数和(自身を除く): 163077320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 163, 232, 290, 326, 580, 641, 652, 815, 1160, 1282, 1304, 1630, 2564, 3205, 3260, 4727, 5128, 6410, 6520, 9454, 12820, 18589, 18908, 23635, 25640, 37178, 37816, 47270, 74356, 92945, 94540, 104483, 148712, 185890, 189080, 208966, 371780, 417932, 522415, 743560, 835864, 1044830, 2089660, 3030007, 4179320, 6060014, 12120028, 15150035, 24240056, 30300070, 60600140, 121200280]

約数ペア:

[(1, 121200280), (2, 60600140), (4, 30300070), (5, 24240056), (8, 15150035), (10, 12120028), (20, 6060014), (29, 4179320), (40, 3030007), (58, 2089660), (116, 1044830), (145, 835864), (163, 743560), (232, 522415), (290, 417932), (326, 371780), (580, 208966), (641, 189080), (652, 185890), (815, 148712), (1160, 104483), (1282, 94540), (1304, 92945), (1630, 74356), (2564, 47270), (3205, 37816), (3260, 37178), (4727, 25640), (5128, 23635), (6410, 18908), (6520, 18589), (9454, 12820)]