74155520

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 80

約数和(自身を含む): 180457200

約数和(自身を除く): 106301680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 349, 415, 512, 640, 664, 698, 830, 1280, 1328, 1396, 1660, 1745, 2560, 2656, 2792, 3320, 3490, 5312, 5584, 6640, 6980, 10624, 11168, 13280, 13960, 21248, 22336, 26560, 27920, 28967, 42496, 44672, 53120, 55840, 57934, 89344, 106240, 111680, 115868, 144835, 178688, 212480, 223360, 231736, 289670, 446720, 463472, 579340, 893440, 926944, 1158680, 1853888, 2317360, 3707776, 4634720, 7415552, 9269440, 14831104, 18538880, 37077760, 74155520]

約数ペア:

[(1, 74155520), (2, 37077760), (4, 18538880), (5, 14831104), (8, 9269440), (10, 7415552), (16, 4634720), (20, 3707776), (32, 2317360), (40, 1853888), (64, 1158680), (80, 926944), (83, 893440), (128, 579340), (160, 463472), (166, 446720), (256, 289670), (320, 231736), (332, 223360), (349, 212480), (415, 178688), (512, 144835), (640, 115868), (664, 111680), (698, 106240), (830, 89344), (1280, 57934), (1328, 55840), (1396, 53120), (1660, 44672), (1745, 42496), (2560, 28967), (2656, 27920), (2792, 26560), (3320, 22336), (3490, 21248), (5312, 13960), (5584, 13280), (6640, 11168), (6980, 10624)]