390150

素因数分解:

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

素因数の和:55

約数の個数: 72

約数和(自身を含む): 1142040

約数和(自身を除く): 751890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 289, 306, 425, 450, 459, 510, 578, 675, 765, 850, 867, 918, 1275, 1350, 1445, 1530, 1734, 2295, 2550, 2601, 2890, 3825, 4335, 4590, 5202, 7225, 7650, 7803, 8670, 11475, 13005, 14450, 15606, 21675, 22950, 26010, 39015, 43350, 65025, 78030, 130050, 195075, 390150]

約数ペア:

[(1, 390150), (2, 195075), (3, 130050), (5, 78030), (6, 65025), (9, 43350), (10, 39015), (15, 26010), (17, 22950), (18, 21675), (25, 15606), (27, 14450), (30, 13005), (34, 11475), (45, 8670), (50, 7803), (51, 7650), (54, 7225), (75, 5202), (85, 4590), (90, 4335), (102, 3825), (135, 2890), (150, 2601), (153, 2550), (170, 2295), (225, 1734), (255, 1530), (270, 1445), (289, 1350), (306, 1275), (425, 918), (450, 867), (459, 850), (510, 765), (578, 675)]