220227840

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2731}}^1$

素因数の和:2765

約数の個数: 216

約数和(自身を含む): 871136448

約数和(自身を除く): 650908608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2731, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5462, 5760, 6720, 8064, 8193, 8960, 10080, 10924, 11520, 13440, 13655, 16128, 16386, 19117, 20160, 21848, 24579, 26880, 27310, 32772, 38234, 40320, 40965, 43696, 49158, 54620, 57351, 65544, 76468, 80640, 81930, 87392, 95585, 98316, 109240, 114702, 122895, 131088, 152936, 163860, 172053, 174784, 191170, 196632, 218480, 229404, 245790, 262176, 286755, 305872, 327720, 344106, 349568, 382340, 393264, 436960, 458808, 491580, 524352, 573510, 611744, 655440, 688212, 699136, 764680, 786528, 860265, 873920, 917616, 983160, 1048704, 1147020, 1223488, 1310880, 1376424, 1529360, 1573056, 1720530, 1747840, 1835232, 1966320, 2097408, 2294040, 2446976, 2621760, 2752848, 3058720, 3146112, 3441060, 3495680, 3670464, 3932640, 4588080, 4893952, 5243520, 5505696, 6117440, 6292224, 6882120, 7340928, 7865280, 9176160, 10487040, 11011392, 12234880, 13764240, 14681856, 15730560, 18352320, 22022784, 24469760, 27528480, 31461120, 36704640, 44045568, 55056960, 73409280, 110113920, 220227840]

約数ペア:

[(1, 220227840), (2, 110113920), (3, 73409280), (4, 55056960), (5, 44045568), (6, 36704640), (7, 31461120), (8, 27528480), (9, 24469760), (10, 22022784), (12, 18352320), (14, 15730560), (15, 14681856), (16, 13764240), (18, 12234880), (20, 11011392), (21, 10487040), (24, 9176160), (28, 7865280), (30, 7340928), (32, 6882120), (35, 6292224), (36, 6117440), (40, 5505696), (42, 5243520), (45, 4893952), (48, 4588080), (56, 3932640), (60, 3670464), (63, 3495680), (64, 3441060), (70, 3146112), (72, 3058720), (80, 2752848), (84, 2621760), (90, 2446976), (96, 2294040), (105, 2097408), (112, 1966320), (120, 1835232), (126, 1747840), (128, 1720530), (140, 1573056), (144, 1529360), (160, 1376424), (168, 1310880), (180, 1223488), (192, 1147020), (210, 1048704), (224, 983160), (240, 917616), (252, 873920), (256, 860265), (280, 786528), (288, 764680), (315, 699136), (320, 688212), (336, 655440), (360, 611744), (384, 573510), (420, 524352), (448, 491580), (480, 458808), (504, 436960), (560, 393264), (576, 382340), (630, 349568), (640, 344106), (672, 327720), (720, 305872), (768, 286755), (840, 262176), (896, 245790), (960, 229404), (1008, 218480), (1120, 196632), (1152, 191170), (1260, 174784), (1280, 172053), (1344, 163860), (1440, 152936), (1680, 131088), (1792, 122895), (1920, 114702), (2016, 109240), (2240, 98316), (2304, 95585), (2520, 87392), (2688, 81930), (2731, 80640), (2880, 76468), (3360, 65544), (3840, 57351), (4032, 54620), (4480, 49158), (5040, 43696), (5376, 40965), (5462, 40320), (5760, 38234), (6720, 32772), (8064, 27310), (8193, 26880), (8960, 24579), (10080, 21848), (10924, 20160), (11520, 19117), (13440, 16386), (13655, 16128)]