78309480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 259718400

約数和(自身を除く): 181408920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1669, 1955, 2040, 2346, 2760, 3128, 3338, 3910, 4692, 5007, 5865, 6676, 7820, 8345, 9384, 10014, 11730, 13352, 15640, 16690, 20028, 23460, 25035, 28373, 33380, 38387, 40056, 46920, 50070, 56746, 66760, 76774, 85119, 100140, 113492, 115161, 141865, 153548, 170238, 191935, 200280, 226984, 230322, 283730, 307096, 340476, 383870, 425595, 460644, 567460, 575805, 652579, 680952, 767740, 851190, 921288, 1134920, 1151610, 1305158, 1535480, 1702380, 1957737, 2303220, 2610316, 3262895, 3404760, 3915474, 4606440, 5220632, 6525790, 7830948, 9788685, 13051580, 15661896, 19577370, 26103160, 39154740, 78309480]

約数ペア:

[(1, 78309480), (2, 39154740), (3, 26103160), (4, 19577370), (5, 15661896), (6, 13051580), (8, 9788685), (10, 7830948), (12, 6525790), (15, 5220632), (17, 4606440), (20, 3915474), (23, 3404760), (24, 3262895), (30, 2610316), (34, 2303220), (40, 1957737), (46, 1702380), (51, 1535480), (60, 1305158), (68, 1151610), (69, 1134920), (85, 921288), (92, 851190), (102, 767740), (115, 680952), (120, 652579), (136, 575805), (138, 567460), (170, 460644), (184, 425595), (204, 383870), (230, 340476), (255, 307096), (276, 283730), (340, 230322), (345, 226984), (391, 200280), (408, 191935), (460, 170238), (510, 153548), (552, 141865), (680, 115161), (690, 113492), (782, 100140), (920, 85119), (1020, 76774), (1173, 66760), (1380, 56746), (1564, 50070), (1669, 46920), (1955, 40056), (2040, 38387), (2346, 33380), (2760, 28373), (3128, 25035), (3338, 23460), (3910, 20028), (4692, 16690), (5007, 15640), (5865, 13352), (6676, 11730), (7820, 10014), (8345, 9384)]