15518880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:863

約数の個数: 144

約数和(自身を含む): 57100680

約数和(自身を除く): 41581800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 829, 936, 1040, 1170, 1248, 1440, 1560, 1658, 1872, 2080, 2340, 2487, 3120, 3316, 3744, 4145, 4680, 4974, 6240, 6632, 7461, 8290, 9360, 9948, 10777, 12435, 13264, 14922, 16580, 18720, 19896, 21554, 24870, 26528, 29844, 32331, 33160, 37305, 39792, 43108, 49740, 53885, 59688, 64662, 66320, 74610, 79584, 86216, 96993, 99480, 107770, 119376, 129324, 132640, 149220, 161655, 172432, 193986, 198960, 215540, 238752, 258648, 298440, 323310, 344864, 387972, 397920, 431080, 484965, 517296, 596880, 646620, 775944, 862160, 969930, 1034592, 1193760, 1293240, 1551888, 1724320, 1939860, 2586480, 3103776, 3879720, 5172960, 7759440, 15518880]

約数ペア:

[(1, 15518880), (2, 7759440), (3, 5172960), (4, 3879720), (5, 3103776), (6, 2586480), (8, 1939860), (9, 1724320), (10, 1551888), (12, 1293240), (13, 1193760), (15, 1034592), (16, 969930), (18, 862160), (20, 775944), (24, 646620), (26, 596880), (30, 517296), (32, 484965), (36, 431080), (39, 397920), (40, 387972), (45, 344864), (48, 323310), (52, 298440), (60, 258648), (65, 238752), (72, 215540), (78, 198960), (80, 193986), (90, 172432), (96, 161655), (104, 149220), (117, 132640), (120, 129324), (130, 119376), (144, 107770), (156, 99480), (160, 96993), (180, 86216), (195, 79584), (208, 74610), (234, 66320), (240, 64662), (260, 59688), (288, 53885), (312, 49740), (360, 43108), (390, 39792), (416, 37305), (468, 33160), (480, 32331), (520, 29844), (585, 26528), (624, 24870), (720, 21554), (780, 19896), (829, 18720), (936, 16580), (1040, 14922), (1170, 13264), (1248, 12435), (1440, 10777), (1560, 9948), (1658, 9360), (1872, 8290), (2080, 7461), (2340, 6632), (2487, 6240), (3120, 4974), (3316, 4680), (3744, 4145)]