80399160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223331}}^1$

素因数の和:223348

約数の個数: 48

約数和(自身を含む): 261298440

約数和(自身を除く): 180899280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 223331, 446662, 669993, 893324, 1116655, 1339986, 1786648, 2009979, 2233310, 2679972, 3349965, 4019958, 4466620, 5359944, 6699930, 8039916, 8933240, 10049895, 13399860, 16079832, 20099790, 26799720, 40199580, 80399160]

約数ペア:

[(1, 80399160), (2, 40199580), (3, 26799720), (4, 20099790), (5, 16079832), (6, 13399860), (8, 10049895), (9, 8933240), (10, 8039916), (12, 6699930), (15, 5359944), (18, 4466620), (20, 4019958), (24, 3349965), (30, 2679972), (36, 2233310), (40, 2009979), (45, 1786648), (60, 1339986), (72, 1116655), (90, 893324), (120, 669993), (180, 446662), (360, 223331)]