1687280868

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 240

約数和(自身を含む): 5498317440

約数和(自身を除く): 3811036572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 89, 91, 108, 117, 126, 156, 162, 178, 182, 189, 234, 252, 267, 273, 324, 351, 356, 364, 378, 468, 534, 546, 567, 623, 643, 702, 756, 801, 819, 1053, 1068, 1092, 1134, 1157, 1246, 1286, 1404, 1602, 1638, 1869, 1929, 2106, 2268, 2314, 2403, 2457, 2492, 2572, 3204, 3276, 3471, 3738, 3858, 4212, 4501, 4628, 4806, 4914, 5607, 5787, 6942, 7209, 7371, 7476, 7716, 8099, 8359, 9002, 9612, 9828, 10413, 11214, 11574, 13503, 13884, 14418, 14742, 16198, 16718, 16821, 17361, 18004, 20826, 22428, 23148, 24297, 25077, 27006, 28836, 29484, 31239, 32396, 33436, 33642, 34722, 40509, 41652, 48594, 50154, 50463, 52083, 54012, 57227, 58513, 62478, 67284, 69444, 72891, 75231, 81018, 93717, 97188, 100308, 100926, 104166, 114454, 117026, 121527, 124956, 145782, 150462, 162036, 171681, 175539, 187434, 201852, 208332, 218673, 225693, 228908, 234052, 243054, 291564, 300924, 343362, 351078, 364581, 374868, 400589, 437346, 451386, 486108, 515043, 526617, 656019, 677079, 686724, 702156, 729162, 743951, 801178, 874692, 902772, 1030086, 1053234, 1201767, 1312038, 1354158, 1458324, 1487902, 1545129, 1579851, 1602356, 2060172, 2106468, 2231853, 2403534, 2624076, 2708316, 2975804, 3090258, 3159702, 3605301, 4463706, 4635387, 4739553, 4807068, 5207657, 6180516, 6319404, 6695559, 7210602, 8927412, 9270774, 9479106, 10415314, 10815903, 13391118, 14421204, 15622971, 18541548, 18958212, 20086677, 20830628, 21631806, 26782236, 31245942, 32447709, 40173354, 43263612, 46868913, 60260031, 62491884, 64895418, 80346708, 93737826, 120520062, 129790836, 140606739, 187475652, 241040124, 281213478, 421820217, 562426956, 843640434, 1687280868]

約数ペア:

[(1, 1687280868), (2, 843640434), (3, 562426956), (4, 421820217), (6, 281213478), (7, 241040124), (9, 187475652), (12, 140606739), (13, 129790836), (14, 120520062), (18, 93737826), (21, 80346708), (26, 64895418), (27, 62491884), (28, 60260031), (36, 46868913), (39, 43263612), (42, 40173354), (52, 32447709), (54, 31245942), (63, 26782236), (78, 21631806), (81, 20830628), (84, 20086677), (89, 18958212), (91, 18541548), (108, 15622971), (117, 14421204), (126, 13391118), (156, 10815903), (162, 10415314), (178, 9479106), (182, 9270774), (189, 8927412), (234, 7210602), (252, 6695559), (267, 6319404), (273, 6180516), (324, 5207657), (351, 4807068), (356, 4739553), (364, 4635387), (378, 4463706), (468, 3605301), (534, 3159702), (546, 3090258), (567, 2975804), (623, 2708316), (643, 2624076), (702, 2403534), (756, 2231853), (801, 2106468), (819, 2060172), (1053, 1602356), (1068, 1579851), (1092, 1545129), (1134, 1487902), (1157, 1458324), (1246, 1354158), (1286, 1312038), (1404, 1201767), (1602, 1053234), (1638, 1030086), (1869, 902772), (1929, 874692), (2106, 801178), (2268, 743951), (2314, 729162), (2403, 702156), (2457, 686724), (2492, 677079), (2572, 656019), (3204, 526617), (3276, 515043), (3471, 486108), (3738, 451386), (3858, 437346), (4212, 400589), (4501, 374868), (4628, 364581), (4806, 351078), (4914, 343362), (5607, 300924), (5787, 291564), (6942, 243054), (7209, 234052), (7371, 228908), (7476, 225693), (7716, 218673), (8099, 208332), (8359, 201852), (9002, 187434), (9612, 175539), (9828, 171681), (10413, 162036), (11214, 150462), (11574, 145782), (13503, 124956), (13884, 121527), (14418, 117026), (14742, 114454), (16198, 104166), (16718, 100926), (16821, 100308), (17361, 97188), (18004, 93717), (20826, 81018), (22428, 75231), (23148, 72891), (24297, 69444), (25077, 67284), (27006, 62478), (28836, 58513), (29484, 57227), (31239, 54012), (32396, 52083), (33436, 50463), (33642, 50154), (34722, 48594), (40509, 41652)]