400281120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2029}}^1$

素因数の和:2187

約数の個数: 144

約数和(自身を含む): 1376607960

約数和(自身を除く): 976326840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 274, 288, 360, 411, 480, 548, 685, 720, 822, 1096, 1233, 1370, 1440, 1644, 2029, 2055, 2192, 2466, 2740, 3288, 4058, 4110, 4384, 4932, 5480, 6087, 6165, 6576, 8116, 8220, 9864, 10145, 10960, 12174, 12330, 13152, 16232, 16440, 18261, 19728, 20290, 21920, 24348, 24660, 30435, 32464, 32880, 36522, 39456, 40580, 48696, 49320, 60870, 64928, 65760, 73044, 81160, 91305, 97392, 98640, 121740, 146088, 162320, 182610, 194784, 197280, 243480, 277973, 292176, 324640, 365220, 486960, 555946, 584352, 730440, 833919, 973920, 1111892, 1389865, 1460880, 1667838, 2223784, 2501757, 2779730, 2921760, 3335676, 4169595, 4447568, 5003514, 5559460, 6671352, 8339190, 8895136, 10007028, 11118920, 12508785, 13342704, 16678380, 20014056, 22237840, 25017570, 26685408, 33356760, 40028112, 44475680, 50035140, 66713520, 80056224, 100070280, 133427040, 200140560, 400281120]

約数ペア:

[(1, 400281120), (2, 200140560), (3, 133427040), (4, 100070280), (5, 80056224), (6, 66713520), (8, 50035140), (9, 44475680), (10, 40028112), (12, 33356760), (15, 26685408), (16, 25017570), (18, 22237840), (20, 20014056), (24, 16678380), (30, 13342704), (32, 12508785), (36, 11118920), (40, 10007028), (45, 8895136), (48, 8339190), (60, 6671352), (72, 5559460), (80, 5003514), (90, 4447568), (96, 4169595), (120, 3335676), (137, 2921760), (144, 2779730), (160, 2501757), (180, 2223784), (240, 1667838), (274, 1460880), (288, 1389865), (360, 1111892), (411, 973920), (480, 833919), (548, 730440), (685, 584352), (720, 555946), (822, 486960), (1096, 365220), (1233, 324640), (1370, 292176), (1440, 277973), (1644, 243480), (2029, 197280), (2055, 194784), (2192, 182610), (2466, 162320), (2740, 146088), (3288, 121740), (4058, 98640), (4110, 97392), (4384, 91305), (4932, 81160), (5480, 73044), (6087, 65760), (6165, 64928), (6576, 60870), (8116, 49320), (8220, 48696), (9864, 40580), (10145, 39456), (10960, 36522), (12174, 32880), (12330, 32464), (13152, 30435), (16232, 24660), (16440, 24348), (18261, 21920), (19728, 20290)]