20123501760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4079}}^1$

素因数の和:4676

約数の個数: 224

約数和(自身を含む): 71133004800

約数和(自身を除く): 51009503040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 571, 576, 720, 864, 960, 1080, 1142, 1440, 1713, 1728, 2160, 2284, 2855, 2880, 3426, 4079, 4320, 4568, 5139, 5710, 6852, 8158, 8565, 8640, 9136, 10278, 11420, 12237, 13704, 15417, 16316, 17130, 18272, 20395, 20556, 22840, 24474, 25695, 27408, 30834, 32632, 34260, 36544, 36711, 40790, 41112, 45680, 48948, 51390, 54816, 61185, 61668, 65264, 68520, 73422, 77085, 81580, 82224, 91360, 97896, 102780, 109632, 110133, 122370, 123336, 130528, 137040, 146844, 154170, 163160, 164448, 182720, 183555, 195792, 205560, 220266, 244740, 246672, 261056, 274080, 293688, 308340, 326320, 328896, 367110, 391584, 411120, 440532, 489480, 493344, 548160, 550665, 587376, 616680, 652640, 734220, 783168, 822240, 881064, 978960, 986688, 1101330, 1174752, 1233360, 1305280, 1468440, 1644480, 1762128, 1957920, 2202660, 2329109, 2349504, 2466720, 2936880, 3524256, 3915840, 4405320, 4658218, 4933440, 5873760, 6987327, 7048512, 8810640, 9316436, 11645545, 11747520, 13974654, 17621280, 18632872, 20961981, 23291090, 27949308, 34936635, 35242560, 37265744, 41923962, 46582180, 55898616, 62885943, 69873270, 74531488, 83847924, 93164360, 104809905, 111797232, 125771886, 139746540, 149062976, 167695848, 186328720, 209619810, 223594464, 251543772, 279493080, 314429715, 335391696, 372657440, 419239620, 447188928, 503087544, 558986160, 628859430, 670783392, 745314880, 838479240, 1006175088, 1117972320, 1257718860, 1341566784, 1676958480, 2012350176, 2235944640, 2515437720, 3353916960, 4024700352, 5030875440, 6707833920, 10061750880, 20123501760]

約数ペア:

[(1, 20123501760), (2, 10061750880), (3, 6707833920), (4, 5030875440), (5, 4024700352), (6, 3353916960), (8, 2515437720), (9, 2235944640), (10, 2012350176), (12, 1676958480), (15, 1341566784), (16, 1257718860), (18, 1117972320), (20, 1006175088), (24, 838479240), (27, 745314880), (30, 670783392), (32, 628859430), (36, 558986160), (40, 503087544), (45, 447188928), (48, 419239620), (54, 372657440), (60, 335391696), (64, 314429715), (72, 279493080), (80, 251543772), (90, 223594464), (96, 209619810), (108, 186328720), (120, 167695848), (135, 149062976), (144, 139746540), (160, 125771886), (180, 111797232), (192, 104809905), (216, 93164360), (240, 83847924), (270, 74531488), (288, 69873270), (320, 62885943), (360, 55898616), (432, 46582180), (480, 41923962), (540, 37265744), (571, 35242560), (576, 34936635), (720, 27949308), (864, 23291090), (960, 20961981), (1080, 18632872), (1142, 17621280), (1440, 13974654), (1713, 11747520), (1728, 11645545), (2160, 9316436), (2284, 8810640), (2855, 7048512), (2880, 6987327), (3426, 5873760), (4079, 4933440), (4320, 4658218), (4568, 4405320), (5139, 3915840), (5710, 3524256), (6852, 2936880), (8158, 2466720), (8565, 2349504), (8640, 2329109), (9136, 2202660), (10278, 1957920), (11420, 1762128), (12237, 1644480), (13704, 1468440), (15417, 1305280), (16316, 1233360), (17130, 1174752), (18272, 1101330), (20395, 986688), (20556, 978960), (22840, 881064), (24474, 822240), (25695, 783168), (27408, 734220), (30834, 652640), (32632, 616680), (34260, 587376), (36544, 550665), (36711, 548160), (40790, 493344), (41112, 489480), (45680, 440532), (48948, 411120), (51390, 391584), (54816, 367110), (61185, 328896), (61668, 326320), (65264, 308340), (68520, 293688), (73422, 274080), (77085, 261056), (81580, 246672), (82224, 244740), (91360, 220266), (97896, 205560), (102780, 195792), (109632, 183555), (110133, 182720), (122370, 164448), (123336, 163160), (130528, 154170), (137040, 146844)]