251688960

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{2731}}^1$

素因数の和:2764

約数の個数: 144

約数和(自身を含む): 872628120

約数和(自身を除く): 620939160

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2731, 2880, 3072, 3840, 4608, 5120, 5462, 5760, 6144, 7680, 8193, 9216, 10240, 10924, 11520, 13655, 15360, 16386, 18432, 21848, 23040, 24579, 27310, 30720, 32772, 40965, 43696, 46080, 49158, 54620, 65544, 81930, 87392, 92160, 98316, 109240, 122895, 131088, 163860, 174784, 196632, 218480, 245790, 262176, 327720, 349568, 393264, 436960, 491580, 524352, 655440, 699136, 786528, 873920, 983160, 1048704, 1310880, 1398272, 1573056, 1747840, 1966320, 2097408, 2621760, 2796544, 3146112, 3495680, 3932640, 4194816, 5243520, 5593088, 6292224, 6991360, 7865280, 8389632, 10487040, 12584448, 13982720, 15730560, 16779264, 20974080, 25168896, 27965440, 31461120, 41948160, 50337792, 62922240, 83896320, 125844480, 251688960]

約数ペア:

[(1, 251688960), (2, 125844480), (3, 83896320), (4, 62922240), (5, 50337792), (6, 41948160), (8, 31461120), (9, 27965440), (10, 25168896), (12, 20974080), (15, 16779264), (16, 15730560), (18, 13982720), (20, 12584448), (24, 10487040), (30, 8389632), (32, 7865280), (36, 6991360), (40, 6292224), (45, 5593088), (48, 5243520), (60, 4194816), (64, 3932640), (72, 3495680), (80, 3146112), (90, 2796544), (96, 2621760), (120, 2097408), (128, 1966320), (144, 1747840), (160, 1573056), (180, 1398272), (192, 1310880), (240, 1048704), (256, 983160), (288, 873920), (320, 786528), (360, 699136), (384, 655440), (480, 524352), (512, 491580), (576, 436960), (640, 393264), (720, 349568), (768, 327720), (960, 262176), (1024, 245790), (1152, 218480), (1280, 196632), (1440, 174784), (1536, 163860), (1920, 131088), (2048, 122895), (2304, 109240), (2560, 98316), (2731, 92160), (2880, 87392), (3072, 81930), (3840, 65544), (4608, 54620), (5120, 49158), (5462, 46080), (5760, 43696), (6144, 40965), (7680, 32772), (8193, 30720), (9216, 27310), (10240, 24579), (10924, 23040), (11520, 21848), (13655, 18432), (15360, 16386)]