81026640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5923}}^1$

素因数の和:5961

約数の個数: 120

約数和(自身を含む): 286484640

約数和(自身を除く): 205458000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 5923, 6840, 11846, 13680, 17769, 23692, 29615, 35538, 47384, 53307, 59230, 71076, 88845, 94768, 106614, 112537, 118460, 142152, 177690, 213228, 225074, 236920, 266535, 284304, 337611, 355380, 426456, 450148, 473840, 533070, 562685, 675222, 710760, 852912, 900296, 1012833, 1066140, 1125370, 1350444, 1421520, 1688055, 1800592, 2025666, 2132280, 2250740, 2700888, 3376110, 4051332, 4264560, 4501480, 5064165, 5401776, 6752220, 8102664, 9002960, 10128330, 13504440, 16205328, 20256660, 27008880, 40513320, 81026640]

約数ペア:

[(1, 81026640), (2, 40513320), (3, 27008880), (4, 20256660), (5, 16205328), (6, 13504440), (8, 10128330), (9, 9002960), (10, 8102664), (12, 6752220), (15, 5401776), (16, 5064165), (18, 4501480), (19, 4264560), (20, 4051332), (24, 3376110), (30, 2700888), (36, 2250740), (38, 2132280), (40, 2025666), (45, 1800592), (48, 1688055), (57, 1421520), (60, 1350444), (72, 1125370), (76, 1066140), (80, 1012833), (90, 900296), (95, 852912), (114, 710760), (120, 675222), (144, 562685), (152, 533070), (171, 473840), (180, 450148), (190, 426456), (228, 355380), (240, 337611), (285, 284304), (304, 266535), (342, 236920), (360, 225074), (380, 213228), (456, 177690), (570, 142152), (684, 118460), (720, 112537), (760, 106614), (855, 94768), (912, 88845), (1140, 71076), (1368, 59230), (1520, 53307), (1710, 47384), (2280, 35538), (2736, 29615), (3420, 23692), (4560, 17769), (5923, 13680), (6840, 11846)]