74129920

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1305

約数の個数: 80

約数和(自身を含む): 185613120

約数和(自身を除く): 111483200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1259, 1280, 1472, 1840, 2518, 2560, 2944, 3680, 5036, 5888, 6295, 7360, 10072, 11776, 12590, 14720, 20144, 25180, 28957, 29440, 40288, 50360, 57914, 58880, 80576, 100720, 115828, 144785, 161152, 201440, 231656, 289570, 322304, 402880, 463312, 579140, 644608, 805760, 926624, 1158280, 1611520, 1853248, 2316560, 3223040, 3706496, 4633120, 7412992, 9266240, 14825984, 18532480, 37064960, 74129920]

約数ペア:

[(1, 74129920), (2, 37064960), (4, 18532480), (5, 14825984), (8, 9266240), (10, 7412992), (16, 4633120), (20, 3706496), (23, 3223040), (32, 2316560), (40, 1853248), (46, 1611520), (64, 1158280), (80, 926624), (92, 805760), (115, 644608), (128, 579140), (160, 463312), (184, 402880), (230, 322304), (256, 289570), (320, 231656), (368, 201440), (460, 161152), (512, 144785), (640, 115828), (736, 100720), (920, 80576), (1259, 58880), (1280, 57914), (1472, 50360), (1840, 40288), (2518, 29440), (2560, 28957), (2944, 25180), (3680, 20144), (5036, 14720), (5888, 12590), (6295, 11776), (7360, 10072)]