18180450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{67}}^2$

素因数の和:158

約数の個数: 90

約数和(自身を含む): 51279921

約数和(自身を除く): 33099471

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 67, 75, 81, 90, 134, 135, 150, 162, 201, 225, 270, 335, 402, 405, 450, 603, 670, 675, 810, 1005, 1206, 1350, 1675, 1809, 2010, 2025, 3015, 3350, 3618, 4050, 4489, 5025, 5427, 6030, 8978, 9045, 10050, 10854, 13467, 15075, 18090, 22445, 26934, 27135, 30150, 40401, 44890, 45225, 54270, 67335, 80802, 90450, 112225, 121203, 134670, 135675, 202005, 224450, 242406, 271350, 336675, 363609, 404010, 606015, 673350, 727218, 1010025, 1212030, 1818045, 2020050, 3030075, 3636090, 6060150, 9090225, 18180450]

約数ペア:

[(1, 18180450), (2, 9090225), (3, 6060150), (5, 3636090), (6, 3030075), (9, 2020050), (10, 1818045), (15, 1212030), (18, 1010025), (25, 727218), (27, 673350), (30, 606015), (45, 404010), (50, 363609), (54, 336675), (67, 271350), (75, 242406), (81, 224450), (90, 202005), (134, 135675), (135, 134670), (150, 121203), (162, 112225), (201, 90450), (225, 80802), (270, 67335), (335, 54270), (402, 45225), (405, 44890), (450, 40401), (603, 30150), (670, 27135), (675, 26934), (810, 22445), (1005, 18090), (1206, 15075), (1350, 13467), (1675, 10854), (1809, 10050), (2010, 9045), (2025, 8978), (3015, 6030), (3350, 5427), (3618, 5025), (4050, 4489)]