120380740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 277876872

約数和(自身を除く): 157496132

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 421, 493, 580, 841, 842, 986, 1682, 1684, 1972, 2105, 2465, 3364, 4205, 4210, 4930, 7157, 8410, 8420, 9860, 12209, 14297, 14314, 16820, 24418, 28594, 28628, 35785, 48836, 57188, 61045, 71485, 71570, 122090, 142970, 143140, 207553, 244180, 285940, 354061, 415106, 708122, 830212, 1037765, 1416244, 1770305, 2075530, 3540610, 4151060, 6019037, 7081220, 12038074, 24076148, 30095185, 60190370, 120380740]

約数ペア:

[(1, 120380740), (2, 60190370), (4, 30095185), (5, 24076148), (10, 12038074), (17, 7081220), (20, 6019037), (29, 4151060), (34, 3540610), (58, 2075530), (68, 1770305), (85, 1416244), (116, 1037765), (145, 830212), (170, 708122), (290, 415106), (340, 354061), (421, 285940), (493, 244180), (580, 207553), (841, 143140), (842, 142970), (986, 122090), (1682, 71570), (1684, 71485), (1972, 61045), (2105, 57188), (2465, 48836), (3364, 35785), (4205, 28628), (4210, 28594), (4930, 24418), (7157, 16820), (8410, 14314), (8420, 14297), (9860, 12209)]