1821887640

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1525

約数の個数: 224

約数和(自身を含む): 6293319120

約数和(自身を除く): 4471431480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 243, 258, 270, 324, 344, 360, 387, 405, 430, 486, 516, 540, 645, 648, 729, 774, 810, 860, 972, 1032, 1080, 1161, 1215, 1290, 1453, 1458, 1548, 1620, 1720, 1935, 1944, 2322, 2430, 2580, 2906, 2916, 3096, 3240, 3483, 3645, 3870, 4359, 4644, 4860, 5160, 5805, 5812, 5832, 6966, 7265, 7290, 7740, 8718, 9288, 9720, 10449, 11610, 11624, 13077, 13932, 14530, 14580, 15480, 17415, 17436, 20898, 21795, 23220, 26154, 27864, 29060, 29160, 31347, 34830, 34872, 39231, 41796, 43590, 46440, 52245, 52308, 58120, 62479, 62694, 65385, 69660, 78462, 83592, 87180, 104490, 104616, 117693, 124958, 125388, 130770, 139320, 156735, 156924, 174360, 187437, 196155, 208980, 235386, 249916, 250776, 261540, 312395, 313470, 313848, 353079, 374874, 392310, 417960, 470772, 499832, 523080, 562311, 588465, 624790, 626940, 706158, 749748, 784620, 937185, 941544, 1059237, 1124622, 1176930, 1249580, 1253880, 1412316, 1499496, 1569240, 1686933, 1765395, 1874370, 2118474, 2249244, 2353860, 2499160, 2811555, 2824632, 3373866, 3530790, 3748740, 4236948, 4498488, 4707720, 5060799, 5296185, 5623110, 6747732, 7061580, 7497480, 8434665, 8473896, 10121598, 10592370, 11246220, 13495464, 14123160, 15182397, 16869330, 20243196, 21184740, 22492440, 25303995, 30364794, 33738660, 40486392, 42369480, 45547191, 50607990, 60729588, 67477320, 75911985, 91094382, 101215980, 121459176, 151823970, 182188764, 202431960, 227735955, 303647940, 364377528, 455471910, 607295880, 910943820, 1821887640]

約数ペア:

[(1, 1821887640), (2, 910943820), (3, 607295880), (4, 455471910), (5, 364377528), (6, 303647940), (8, 227735955), (9, 202431960), (10, 182188764), (12, 151823970), (15, 121459176), (18, 101215980), (20, 91094382), (24, 75911985), (27, 67477320), (30, 60729588), (36, 50607990), (40, 45547191), (43, 42369480), (45, 40486392), (54, 33738660), (60, 30364794), (72, 25303995), (81, 22492440), (86, 21184740), (90, 20243196), (108, 16869330), (120, 15182397), (129, 14123160), (135, 13495464), (162, 11246220), (172, 10592370), (180, 10121598), (215, 8473896), (216, 8434665), (243, 7497480), (258, 7061580), (270, 6747732), (324, 5623110), (344, 5296185), (360, 5060799), (387, 4707720), (405, 4498488), (430, 4236948), (486, 3748740), (516, 3530790), (540, 3373866), (645, 2824632), (648, 2811555), (729, 2499160), (774, 2353860), (810, 2249244), (860, 2118474), (972, 1874370), (1032, 1765395), (1080, 1686933), (1161, 1569240), (1215, 1499496), (1290, 1412316), (1453, 1253880), (1458, 1249580), (1548, 1176930), (1620, 1124622), (1720, 1059237), (1935, 941544), (1944, 937185), (2322, 784620), (2430, 749748), (2580, 706158), (2906, 626940), (2916, 624790), (3096, 588465), (3240, 562311), (3483, 523080), (3645, 499832), (3870, 470772), (4359, 417960), (4644, 392310), (4860, 374874), (5160, 353079), (5805, 313848), (5812, 313470), (5832, 312395), (6966, 261540), (7265, 250776), (7290, 249916), (7740, 235386), (8718, 208980), (9288, 196155), (9720, 187437), (10449, 174360), (11610, 156924), (11624, 156735), (13077, 139320), (13932, 130770), (14530, 125388), (14580, 124958), (15480, 117693), (17415, 104616), (17436, 104490), (20898, 87180), (21795, 83592), (23220, 78462), (26154, 69660), (27864, 65385), (29060, 62694), (29160, 62479), (31347, 58120), (34830, 52308), (34872, 52245), (39231, 46440), (41796, 43590)]