81661608

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 192

約数和(自身を含む): 278328960

約数和(自身を除く): 196667352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 119, 126, 136, 153, 162, 168, 189, 204, 216, 238, 243, 252, 306, 324, 353, 357, 378, 408, 459, 476, 486, 504, 567, 612, 648, 706, 714, 756, 918, 952, 972, 1059, 1071, 1134, 1224, 1377, 1412, 1428, 1512, 1701, 1836, 1944, 2118, 2142, 2268, 2471, 2754, 2824, 2856, 3177, 3213, 3402, 3672, 4131, 4236, 4284, 4536, 4942, 5508, 6001, 6354, 6426, 6804, 7413, 8262, 8472, 8568, 9531, 9639, 9884, 11016, 12002, 12708, 12852, 13608, 14826, 16524, 18003, 19062, 19278, 19768, 22239, 24004, 25416, 25704, 28593, 28917, 29652, 33048, 36006, 38124, 38556, 42007, 44478, 48008, 54009, 57186, 57834, 59304, 66717, 72012, 76248, 77112, 84014, 85779, 88956, 108018, 114372, 115668, 126021, 133434, 144024, 162027, 168028, 171558, 177912, 200151, 216036, 228744, 231336, 252042, 266868, 324054, 336056, 343116, 378063, 400302, 432072, 486081, 504084, 533736, 600453, 648108, 686232, 756126, 800604, 972162, 1008168, 1134189, 1200906, 1296216, 1458243, 1512252, 1601208, 1944324, 2268378, 2401812, 2916486, 3024504, 3402567, 3888648, 4536756, 4803624, 5832972, 6805134, 9073512, 10207701, 11665944, 13610268, 20415402, 27220536, 40830804, 81661608]

約数ペア:

[(1, 81661608), (2, 40830804), (3, 27220536), (4, 20415402), (6, 13610268), (7, 11665944), (8, 10207701), (9, 9073512), (12, 6805134), (14, 5832972), (17, 4803624), (18, 4536756), (21, 3888648), (24, 3402567), (27, 3024504), (28, 2916486), (34, 2401812), (36, 2268378), (42, 1944324), (51, 1601208), (54, 1512252), (56, 1458243), (63, 1296216), (68, 1200906), (72, 1134189), (81, 1008168), (84, 972162), (102, 800604), (108, 756126), (119, 686232), (126, 648108), (136, 600453), (153, 533736), (162, 504084), (168, 486081), (189, 432072), (204, 400302), (216, 378063), (238, 343116), (243, 336056), (252, 324054), (306, 266868), (324, 252042), (353, 231336), (357, 228744), (378, 216036), (408, 200151), (459, 177912), (476, 171558), (486, 168028), (504, 162027), (567, 144024), (612, 133434), (648, 126021), (706, 115668), (714, 114372), (756, 108018), (918, 88956), (952, 85779), (972, 84014), (1059, 77112), (1071, 76248), (1134, 72012), (1224, 66717), (1377, 59304), (1412, 57834), (1428, 57186), (1512, 54009), (1701, 48008), (1836, 44478), (1944, 42007), (2118, 38556), (2142, 38124), (2268, 36006), (2471, 33048), (2754, 29652), (2824, 28917), (2856, 28593), (3177, 25704), (3213, 25416), (3402, 24004), (3672, 22239), (4131, 19768), (4236, 19278), (4284, 19062), (4536, 18003), (4942, 16524), (5508, 14826), (6001, 13608), (6354, 12852), (6426, 12708), (6804, 12002), (7413, 11016), (8262, 9884), (8472, 9639), (8568, 9531)]