8520390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 23400432

約数和(自身を除く): 14880042

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 157, 162, 201, 270, 314, 335, 402, 405, 471, 603, 670, 785, 810, 942, 1005, 1206, 1413, 1570, 1809, 2010, 2355, 2826, 3015, 3618, 4239, 4710, 5427, 6030, 7065, 8478, 9045, 10519, 10854, 12717, 14130, 18090, 21038, 21195, 25434, 27135, 31557, 42390, 52595, 54270, 63114, 63585, 94671, 105190, 127170, 157785, 189342, 284013, 315570, 473355, 568026, 852039, 946710, 1420065, 1704078, 2840130, 4260195, 8520390]

約数ペア:

[(1, 8520390), (2, 4260195), (3, 2840130), (5, 1704078), (6, 1420065), (9, 946710), (10, 852039), (15, 568026), (18, 473355), (27, 315570), (30, 284013), (45, 189342), (54, 157785), (67, 127170), (81, 105190), (90, 94671), (134, 63585), (135, 63114), (157, 54270), (162, 52595), (201, 42390), (270, 31557), (314, 27135), (335, 25434), (402, 21195), (405, 21038), (471, 18090), (603, 14130), (670, 12717), (785, 10854), (810, 10519), (942, 9045), (1005, 8478), (1206, 7065), (1413, 6030), (1570, 5427), (1809, 4710), (2010, 4239), (2355, 3618), (2826, 3015)]