7515020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 18016992

約数和(自身を除く): 10501972

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 31, 34, 46, 62, 68, 85, 92, 115, 124, 155, 170, 230, 310, 340, 391, 460, 527, 620, 713, 782, 961, 1054, 1426, 1564, 1922, 1955, 2108, 2635, 2852, 3565, 3844, 3910, 4805, 5270, 7130, 7820, 9610, 10540, 12121, 14260, 16337, 19220, 22103, 24242, 32674, 44206, 48484, 60605, 65348, 81685, 88412, 110515, 121210, 163370, 221030, 242420, 326740, 375751, 442060, 751502, 1503004, 1878755, 3757510, 7515020]

約数ペア:

[(1, 7515020), (2, 3757510), (4, 1878755), (5, 1503004), (10, 751502), (17, 442060), (20, 375751), (23, 326740), (31, 242420), (34, 221030), (46, 163370), (62, 121210), (68, 110515), (85, 88412), (92, 81685), (115, 65348), (124, 60605), (155, 48484), (170, 44206), (230, 32674), (310, 24242), (340, 22103), (391, 19220), (460, 16337), (527, 14260), (620, 12121), (713, 10540), (782, 9610), (961, 7820), (1054, 7130), (1426, 5270), (1564, 4805), (1922, 3910), (1955, 3844), (2108, 3565), (2635, 2852)]