19963207920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{77521}}^1$

素因数の和:77603

約数の個数: 160

約数和(自身を含む): 65751059520

約数和(自身を除く): 45787851600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 37, 40, 48, 58, 60, 74, 80, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 240, 290, 296, 348, 370, 435, 444, 464, 555, 580, 592, 696, 740, 870, 888, 1073, 1110, 1160, 1392, 1480, 1740, 1776, 2146, 2220, 2320, 2960, 3219, 3480, 4292, 4440, 5365, 6438, 6960, 8584, 8880, 10730, 12876, 16095, 17168, 21460, 25752, 32190, 42920, 51504, 64380, 77521, 85840, 128760, 155042, 232563, 257520, 310084, 387605, 465126, 620168, 775210, 930252, 1162815, 1240336, 1550420, 1860504, 2248109, 2325630, 2868277, 3100840, 3721008, 4496218, 4651260, 5736554, 6201680, 6744327, 8604831, 8992436, 9302520, 11240545, 11473108, 13488654, 14341385, 17209662, 17984872, 18605040, 22481090, 22946216, 26977308, 28682770, 33721635, 34419324, 35969744, 43024155, 44962180, 45892432, 53954616, 57365540, 67443270, 68838648, 83180033, 86048310, 89924360, 107909232, 114731080, 134886540, 137677296, 166360066, 172096620, 179848720, 229462160, 249540099, 269773080, 332720132, 344193240, 415900165, 499080198, 539546160, 665440264, 688386480, 831800330, 998160396, 1247700495, 1330880528, 1663600660, 1996320792, 2495400990, 3327201320, 3992641584, 4990801980, 6654402640, 9981603960, 19963207920]

約数ペア:

[(1, 19963207920), (2, 9981603960), (3, 6654402640), (4, 4990801980), (5, 3992641584), (6, 3327201320), (8, 2495400990), (10, 1996320792), (12, 1663600660), (15, 1330880528), (16, 1247700495), (20, 998160396), (24, 831800330), (29, 688386480), (30, 665440264), (37, 539546160), (40, 499080198), (48, 415900165), (58, 344193240), (60, 332720132), (74, 269773080), (80, 249540099), (87, 229462160), (111, 179848720), (116, 172096620), (120, 166360066), (145, 137677296), (148, 134886540), (174, 114731080), (185, 107909232), (222, 89924360), (232, 86048310), (240, 83180033), (290, 68838648), (296, 67443270), (348, 57365540), (370, 53954616), (435, 45892432), (444, 44962180), (464, 43024155), (555, 35969744), (580, 34419324), (592, 33721635), (696, 28682770), (740, 26977308), (870, 22946216), (888, 22481090), (1073, 18605040), (1110, 17984872), (1160, 17209662), (1392, 14341385), (1480, 13488654), (1740, 11473108), (1776, 11240545), (2146, 9302520), (2220, 8992436), (2320, 8604831), (2960, 6744327), (3219, 6201680), (3480, 5736554), (4292, 4651260), (4440, 4496218), (5365, 3721008), (6438, 3100840), (6960, 2868277), (8584, 2325630), (8880, 2248109), (10730, 1860504), (12876, 1550420), (16095, 1240336), (17168, 1162815), (21460, 930252), (25752, 775210), (32190, 620168), (42920, 465126), (51504, 387605), (64380, 310084), (77521, 257520), (85840, 232563), (128760, 155042)]