17557920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 61031880

約数和(自身を除く): 43473960

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, 89, 90, 96, 120, 137, 144, 160, 178, 180, 240, 267, 274, 288, 356, 360, 411, 445, 480, 534, 548, 685, 712, 720, 801, 822, 890, 1068, 1096, 1233, 1335, 1370, 1424, 1440, 1602, 1644, 1780, 2055, 2136, 2192, 2466, 2670, 2740, 2848, 3204, 3288, 3560, 4005, 4110, 4272, 4384, 4932, 5340, 5480, 6165, 6408, 6576, 7120, 8010, 8220, 8544, 9864, 10680, 10960, 12193, 12330, 12816, 13152, 14240, 16020, 16440, 19728, 21360, 21920, 24386, 24660, 25632, 32040, 32880, 36579, 39456, 42720, 48772, 49320, 60965, 64080, 65760, 73158, 97544, 98640, 109737, 121930, 128160, 146316, 182895, 195088, 197280, 219474, 243860, 292632, 365790, 390176, 438948, 487720, 548685, 585264, 731580, 877896, 975440, 1097370, 1170528, 1463160, 1755792, 1950880, 2194740, 2926320, 3511584, 4389480, 5852640, 8778960, 17557920]

約数ペア:

[(1, 17557920), (2, 8778960), (3, 5852640), (4, 4389480), (5, 3511584), (6, 2926320), (8, 2194740), (9, 1950880), (10, 1755792), (12, 1463160), (15, 1170528), (16, 1097370), (18, 975440), (20, 877896), (24, 731580), (30, 585264), (32, 548685), (36, 487720), (40, 438948), (45, 390176), (48, 365790), (60, 292632), (72, 243860), (80, 219474), (89, 197280), (90, 195088), (96, 182895), (120, 146316), (137, 128160), (144, 121930), (160, 109737), (178, 98640), (180, 97544), (240, 73158), (267, 65760), (274, 64080), (288, 60965), (356, 49320), (360, 48772), (411, 42720), (445, 39456), (480, 36579), (534, 32880), (548, 32040), (685, 25632), (712, 24660), (720, 24386), (801, 21920), (822, 21360), (890, 19728), (1068, 16440), (1096, 16020), (1233, 14240), (1335, 13152), (1370, 12816), (1424, 12330), (1440, 12193), (1602, 10960), (1644, 10680), (1780, 9864), (2055, 8544), (2136, 8220), (2192, 8010), (2466, 7120), (2670, 6576), (2740, 6408), (2848, 6165), (3204, 5480), (3288, 5340), (3560, 4932), (4005, 4384), (4110, 4272)]