221179140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 288

約数和(自身を含む): 863372160

約数和(自身を除く): 642193020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 637, 643, 702, 735, 756, 780, 819, 882, 910, 945, 980, 1092, 1170, 1260, 1274, 1286, 1323, 1365, 1404, 1470, 1638, 1755, 1764, 1820, 1890, 1911, 1929, 2205, 2340, 2457, 2548, 2572, 2646, 2730, 2940, 3185, 3215, 3276, 3510, 3780, 3822, 3858, 4095, 4410, 4501, 4914, 5292, 5460, 5733, 5787, 6370, 6430, 6615, 7020, 7644, 7716, 8190, 8359, 8820, 9002, 9555, 9645, 9828, 11466, 11574, 12285, 12740, 12860, 13230, 13503, 16380, 16718, 17199, 17361, 18004, 19110, 19290, 22505, 22932, 23148, 24570, 25077, 26460, 27006, 28665, 28935, 31507, 33436, 34398, 34722, 38220, 38580, 40509, 41795, 45010, 49140, 50154, 54012, 57330, 57870, 58513, 63014, 67515, 68796, 69444, 75231, 81018, 83590, 85995, 86805, 90020, 94521, 100308, 114660, 115740, 117026, 121527, 125385, 126028, 135030, 150462, 157535, 162036, 167180, 171990, 173610, 175539, 189042, 202545, 225693, 234052, 243054, 250770, 270060, 283563, 292565, 300924, 315070, 343980, 347220, 351078, 376155, 378084, 405090, 409591, 451386, 472605, 486108, 501540, 526617, 567126, 585130, 607635, 630140, 702156, 752310, 810180, 819182, 850689, 877695, 902772, 945210, 1053234, 1128465, 1134252, 1170260, 1215270, 1228773, 1417815, 1504620, 1579851, 1638364, 1701378, 1755390, 1890420, 2047955, 2106468, 2256930, 2430540, 2457546, 2633085, 2835630, 3159702, 3402756, 3510780, 3686319, 4095910, 4253445, 4513860, 4915092, 5266170, 5671260, 6143865, 6319404, 7372638, 7899255, 8191820, 8506890, 10532340, 11058957, 12287730, 14745276, 15798510, 17013780, 18431595, 22117914, 24575460, 31597020, 36863190, 44235828, 55294785, 73726380, 110589570, 221179140]

約数ペア:

[(1, 221179140), (2, 110589570), (3, 73726380), (4, 55294785), (5, 44235828), (6, 36863190), (7, 31597020), (9, 24575460), (10, 22117914), (12, 18431595), (13, 17013780), (14, 15798510), (15, 14745276), (18, 12287730), (20, 11058957), (21, 10532340), (26, 8506890), (27, 8191820), (28, 7899255), (30, 7372638), (35, 6319404), (36, 6143865), (39, 5671260), (42, 5266170), (45, 4915092), (49, 4513860), (52, 4253445), (54, 4095910), (60, 3686319), (63, 3510780), (65, 3402756), (70, 3159702), (78, 2835630), (84, 2633085), (90, 2457546), (91, 2430540), (98, 2256930), (105, 2106468), (108, 2047955), (117, 1890420), (126, 1755390), (130, 1701378), (135, 1638364), (140, 1579851), (147, 1504620), (156, 1417815), (180, 1228773), (182, 1215270), (189, 1170260), (195, 1134252), (196, 1128465), (210, 1053234), (234, 945210), (245, 902772), (252, 877695), (260, 850689), (270, 819182), (273, 810180), (294, 752310), (315, 702156), (351, 630140), (364, 607635), (378, 585130), (390, 567126), (420, 526617), (441, 501540), (455, 486108), (468, 472605), (490, 451386), (540, 409591), (546, 405090), (585, 378084), (588, 376155), (630, 351078), (637, 347220), (643, 343980), (702, 315070), (735, 300924), (756, 292565), (780, 283563), (819, 270060), (882, 250770), (910, 243054), (945, 234052), (980, 225693), (1092, 202545), (1170, 189042), (1260, 175539), (1274, 173610), (1286, 171990), (1323, 167180), (1365, 162036), (1404, 157535), (1470, 150462), (1638, 135030), (1755, 126028), (1764, 125385), (1820, 121527), (1890, 117026), (1911, 115740), (1929, 114660), (2205, 100308), (2340, 94521), (2457, 90020), (2548, 86805), (2572, 85995), (2646, 83590), (2730, 81018), (2940, 75231), (3185, 69444), (3215, 68796), (3276, 67515), (3510, 63014), (3780, 58513), (3822, 57870), (3858, 57330), (4095, 54012), (4410, 50154), (4501, 49140), (4914, 45010), (5292, 41795), (5460, 40509), (5733, 38580), (5787, 38220), (6370, 34722), (6430, 34398), (6615, 33436), (7020, 31507), (7644, 28935), (7716, 28665), (8190, 27006), (8359, 26460), (8820, 25077), (9002, 24570), (9555, 23148), (9645, 22932), (9828, 22505), (11466, 19290), (11574, 19110), (12285, 18004), (12740, 17361), (12860, 17199), (13230, 16718), (13503, 16380)]