21155150880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10939}}^1$

素因数の和:11056

約数の個数: 288

約数和(自身を含む): 77413190400

約数和(自身を除く): 56258039520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 79, 80, 85, 90, 96, 102, 120, 136, 144, 153, 158, 160, 170, 180, 204, 237, 240, 255, 272, 288, 306, 316, 340, 360, 395, 408, 474, 480, 510, 544, 612, 632, 680, 711, 720, 765, 790, 816, 948, 1020, 1185, 1224, 1264, 1343, 1360, 1422, 1440, 1530, 1580, 1632, 1896, 2040, 2370, 2448, 2528, 2686, 2720, 2844, 3060, 3160, 3555, 3792, 4029, 4080, 4740, 4896, 5372, 5688, 6120, 6320, 6715, 7110, 7584, 8058, 8160, 9480, 10744, 10939, 11376, 12087, 12240, 12640, 13430, 14220, 16116, 18960, 20145, 21488, 21878, 22752, 24174, 24480, 26860, 28440, 32232, 32817, 37920, 40290, 42976, 43756, 48348, 53720, 54695, 56880, 60435, 64464, 65634, 80580, 87512, 96696, 98451, 107440, 109390, 113760, 120870, 128928, 131268, 161160, 164085, 175024, 185963, 193392, 196902, 214880, 218780, 241740, 262536, 322320, 328170, 350048, 371926, 386784, 393804, 437560, 483480, 492255, 525072, 557889, 644640, 656340, 743852, 787608, 864181, 875120, 929815, 966960, 984510, 1050144, 1115778, 1312680, 1487704, 1575216, 1673667, 1728362, 1750240, 1859630, 1933920, 1969020, 2231556, 2592543, 2625360, 2789445, 2975408, 3150432, 3347334, 3456724, 3719260, 3938040, 4320905, 4463112, 5185086, 5250720, 5578890, 5950816, 6694668, 6913448, 7438520, 7777629, 7876080, 8368335, 8641810, 8926224, 10370172, 11157780, 12962715, 13389336, 13826896, 14691077, 14877040, 15555258, 15752160, 16736670, 17283620, 17852448, 20740344, 22315560, 25925430, 26778672, 27653792, 29382154, 29754080, 31110516, 33473340, 34567240, 38888145, 41480688, 44073231, 44631120, 51850860, 53557344, 58764308, 62221032, 66946680, 69134480, 73455385, 77776290, 82961376, 88146462, 89262240, 103701720, 117528616, 124442064, 132219693, 133893360, 138268960, 146910770, 155552580, 176292924, 207403440, 220366155, 235057232, 248884128, 264439386, 267786720, 293821540, 311105160, 352585848, 414806880, 440732310, 470114464, 528878772, 587643080, 622210320, 661098465, 705171696, 881464620, 1057757544, 1175286160, 1244420640, 1322196930, 1410343392, 1762929240, 2115515088, 2350572320, 2644393860, 3525858480, 4231030176, 5288787720, 7051716960, 10577575440, 21155150880]

約数ペア:

[(1, 21155150880), (2, 10577575440), (3, 7051716960), (4, 5288787720), (5, 4231030176), (6, 3525858480), (8, 2644393860), (9, 2350572320), (10, 2115515088), (12, 1762929240), (15, 1410343392), (16, 1322196930), (17, 1244420640), (18, 1175286160), (20, 1057757544), (24, 881464620), (30, 705171696), (32, 661098465), (34, 622210320), (36, 587643080), (40, 528878772), (45, 470114464), (48, 440732310), (51, 414806880), (60, 352585848), (68, 311105160), (72, 293821540), (79, 267786720), (80, 264439386), (85, 248884128), (90, 235057232), (96, 220366155), (102, 207403440), (120, 176292924), (136, 155552580), (144, 146910770), (153, 138268960), (158, 133893360), (160, 132219693), (170, 124442064), (180, 117528616), (204, 103701720), (237, 89262240), (240, 88146462), (255, 82961376), (272, 77776290), (288, 73455385), (306, 69134480), (316, 66946680), (340, 62221032), (360, 58764308), (395, 53557344), (408, 51850860), (474, 44631120), (480, 44073231), (510, 41480688), (544, 38888145), (612, 34567240), (632, 33473340), (680, 31110516), (711, 29754080), (720, 29382154), (765, 27653792), (790, 26778672), (816, 25925430), (948, 22315560), (1020, 20740344), (1185, 17852448), (1224, 17283620), (1264, 16736670), (1343, 15752160), (1360, 15555258), (1422, 14877040), (1440, 14691077), (1530, 13826896), (1580, 13389336), (1632, 12962715), (1896, 11157780), (2040, 10370172), (2370, 8926224), (2448, 8641810), (2528, 8368335), (2686, 7876080), (2720, 7777629), (2844, 7438520), (3060, 6913448), (3160, 6694668), (3555, 5950816), (3792, 5578890), (4029, 5250720), (4080, 5185086), (4740, 4463112), (4896, 4320905), (5372, 3938040), (5688, 3719260), (6120, 3456724), (6320, 3347334), (6715, 3150432), (7110, 2975408), (7584, 2789445), (8058, 2625360), (8160, 2592543), (9480, 2231556), (10744, 1969020), (10939, 1933920), (11376, 1859630), (12087, 1750240), (12240, 1728362), (12640, 1673667), (13430, 1575216), (14220, 1487704), (16116, 1312680), (18960, 1115778), (20145, 1050144), (21488, 984510), (21878, 966960), (22752, 929815), (24174, 875120), (24480, 864181), (26860, 787608), (28440, 743852), (32232, 656340), (32817, 644640), (37920, 557889), (40290, 525072), (42976, 492255), (43756, 483480), (48348, 437560), (53720, 393804), (54695, 386784), (56880, 371926), (60435, 350048), (64464, 328170), (65634, 322320), (80580, 262536), (87512, 241740), (96696, 218780), (98451, 214880), (107440, 196902), (109390, 193392), (113760, 185963), (120870, 175024), (128928, 164085), (131268, 161160)]