27985500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 120

約数和(自身を含む): 91435344

約数和(自身を除く): 63449844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 691, 750, 810, 900, 1125, 1350, 1382, 1500, 1620, 2025, 2073, 2250, 2700, 2764, 3375, 3455, 4050, 4146, 4500, 6219, 6750, 6910, 8100, 8292, 10125, 10365, 12438, 13500, 13820, 17275, 18657, 20250, 20730, 24876, 31095, 34550, 37314, 40500, 41460, 51825, 55971, 62190, 69100, 74628, 86375, 93285, 103650, 111942, 124380, 155475, 172750, 186570, 207300, 223884, 259125, 279855, 310950, 345500, 373140, 466425, 518250, 559710, 621900, 777375, 932850, 1036500, 1119420, 1399275, 1554750, 1865700, 2332125, 2798550, 3109500, 4664250, 5597100, 6996375, 9328500, 13992750, 27985500]

約数ペア:

[(1, 27985500), (2, 13992750), (3, 9328500), (4, 6996375), (5, 5597100), (6, 4664250), (9, 3109500), (10, 2798550), (12, 2332125), (15, 1865700), (18, 1554750), (20, 1399275), (25, 1119420), (27, 1036500), (30, 932850), (36, 777375), (45, 621900), (50, 559710), (54, 518250), (60, 466425), (75, 373140), (81, 345500), (90, 310950), (100, 279855), (108, 259125), (125, 223884), (135, 207300), (150, 186570), (162, 172750), (180, 155475), (225, 124380), (250, 111942), (270, 103650), (300, 93285), (324, 86375), (375, 74628), (405, 69100), (450, 62190), (500, 55971), (540, 51825), (675, 41460), (691, 40500), (750, 37314), (810, 34550), (900, 31095), (1125, 24876), (1350, 20730), (1382, 20250), (1500, 18657), (1620, 17275), (2025, 13820), (2073, 13500), (2250, 12438), (2700, 10365), (2764, 10125), (3375, 8292), (3455, 8100), (4050, 6910), (4146, 6750), (4500, 6219)]