65219280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38821}}^1$

素因数の和:38844

約数の個数: 80

約数和(自身を含む): 231068544

約数和(自身を除く): 165849264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38821, 77642, 116463, 155284, 194105, 232926, 271747, 310568, 388210, 465852, 543494, 582315, 621136, 776420, 815241, 931704, 1086988, 1164630, 1358735, 1552840, 1630482, 1863408, 2173976, 2329260, 2717470, 3105680, 3260964, 4076205, 4347952, 4658520, 5434940, 6521928, 8152410, 9317040, 10869880, 13043856, 16304820, 21739760, 32609640, 65219280]

約数ペア:

[(1, 65219280), (2, 32609640), (3, 21739760), (4, 16304820), (5, 13043856), (6, 10869880), (7, 9317040), (8, 8152410), (10, 6521928), (12, 5434940), (14, 4658520), (15, 4347952), (16, 4076205), (20, 3260964), (21, 3105680), (24, 2717470), (28, 2329260), (30, 2173976), (35, 1863408), (40, 1630482), (42, 1552840), (48, 1358735), (56, 1164630), (60, 1086988), (70, 931704), (80, 815241), (84, 776420), (105, 621136), (112, 582315), (120, 543494), (140, 465852), (168, 388210), (210, 310568), (240, 271747), (280, 232926), (336, 194105), (420, 155284), (560, 116463), (840, 77642), (1680, 38821)]