164947480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1996

約数の個数: 64

約数和(自身を含む): 387828000

約数和(自身を除く): 222880520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 1180, 1480, 1889, 2183, 2360, 3778, 4366, 7556, 8732, 9445, 10915, 15112, 17464, 18890, 21830, 37780, 43660, 69893, 75560, 87320, 111451, 139786, 222902, 279572, 349465, 445804, 557255, 559144, 698930, 891608, 1114510, 1397860, 2229020, 2795720, 4123687, 4458040, 8247374, 16494748, 20618435, 32989496, 41236870, 82473740, 164947480]

約数ペア:

[(1, 164947480), (2, 82473740), (4, 41236870), (5, 32989496), (8, 20618435), (10, 16494748), (20, 8247374), (37, 4458040), (40, 4123687), (59, 2795720), (74, 2229020), (118, 1397860), (148, 1114510), (185, 891608), (236, 698930), (295, 559144), (296, 557255), (370, 445804), (472, 349465), (590, 279572), (740, 222902), (1180, 139786), (1480, 111451), (1889, 87320), (2183, 75560), (2360, 69893), (3778, 43660), (4366, 37780), (7556, 21830), (8732, 18890), (9445, 17464), (10915, 15112)]