15030040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 38607840

約数和(自身を除く): 23577800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 115, 124, 136, 155, 170, 184, 230, 248, 310, 340, 391, 460, 527, 620, 680, 713, 782, 920, 961, 1054, 1240, 1426, 1564, 1922, 1955, 2108, 2635, 2852, 3128, 3565, 3844, 3910, 4216, 4805, 5270, 5704, 7130, 7688, 7820, 9610, 10540, 12121, 14260, 15640, 16337, 19220, 21080, 22103, 24242, 28520, 32674, 38440, 44206, 48484, 60605, 65348, 81685, 88412, 96968, 110515, 121210, 130696, 163370, 176824, 221030, 242420, 326740, 375751, 442060, 484840, 653480, 751502, 884120, 1503004, 1878755, 3006008, 3757510, 7515020, 15030040]

約数ペア:

[(1, 15030040), (2, 7515020), (4, 3757510), (5, 3006008), (8, 1878755), (10, 1503004), (17, 884120), (20, 751502), (23, 653480), (31, 484840), (34, 442060), (40, 375751), (46, 326740), (62, 242420), (68, 221030), (85, 176824), (92, 163370), (115, 130696), (124, 121210), (136, 110515), (155, 96968), (170, 88412), (184, 81685), (230, 65348), (248, 60605), (310, 48484), (340, 44206), (391, 38440), (460, 32674), (527, 28520), (620, 24242), (680, 22103), (713, 21080), (782, 19220), (920, 16337), (961, 15640), (1054, 14260), (1240, 12121), (1426, 10540), (1564, 9610), (1922, 7820), (1955, 7688), (2108, 7130), (2635, 5704), (2852, 5270), (3128, 4805), (3565, 4216), (3844, 3910)]