28979280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3659}}^1$

素因数の和:3689

約数の個数: 120

約数和(自身を含む): 106198560

約数和(自身を除く): 77219280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3659, 3960, 7318, 7920, 10977, 14636, 18295, 21954, 29272, 32931, 36590, 40249, 43908, 54885, 58544, 65862, 73180, 80498, 87816, 109770, 120747, 131724, 146360, 160996, 164655, 175632, 201245, 219540, 241494, 263448, 292720, 321992, 329310, 362241, 402490, 439080, 482988, 526896, 603735, 643984, 658620, 724482, 804980, 878160, 965976, 1207470, 1317240, 1448964, 1609960, 1811205, 1931952, 2414940, 2634480, 2897928, 3219920, 3622410, 4829880, 5795856, 7244820, 9659760, 14489640, 28979280]

約数ペア:

[(1, 28979280), (2, 14489640), (3, 9659760), (4, 7244820), (5, 5795856), (6, 4829880), (8, 3622410), (9, 3219920), (10, 2897928), (11, 2634480), (12, 2414940), (15, 1931952), (16, 1811205), (18, 1609960), (20, 1448964), (22, 1317240), (24, 1207470), (30, 965976), (33, 878160), (36, 804980), (40, 724482), (44, 658620), (45, 643984), (48, 603735), (55, 526896), (60, 482988), (66, 439080), (72, 402490), (80, 362241), (88, 329310), (90, 321992), (99, 292720), (110, 263448), (120, 241494), (132, 219540), (144, 201245), (165, 175632), (176, 164655), (180, 160996), (198, 146360), (220, 131724), (240, 120747), (264, 109770), (330, 87816), (360, 80498), (396, 73180), (440, 65862), (495, 58544), (528, 54885), (660, 43908), (720, 40249), (792, 36590), (880, 32931), (990, 29272), (1320, 21954), (1584, 18295), (1980, 14636), (2640, 10977), (3659, 7920), (3960, 7318)]