19694880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 51429600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 96, 97, 108, 120, 135, 141, 144, 160, 180, 188, 194, 216, 235, 240, 270, 282, 288, 291, 360, 376, 388, 423, 432, 470, 480, 485, 540, 564, 582, 705, 720, 752, 776, 846, 864, 873, 940, 970, 1080, 1128, 1164, 1269, 1410, 1440, 1455, 1504, 1552, 1692, 1746, 1880, 1940, 2115, 2160, 2256, 2328, 2538, 2619, 2820, 2910, 3104, 3384, 3492, 3760, 3880, 4230, 4320, 4365, 4512, 4559, 4656, 5076, 5238, 5640, 5820, 6345, 6768, 6984, 7520, 7760, 8460, 8730, 9118, 9312, 10152, 10476, 11280, 11640, 12690, 13095, 13536, 13677, 13968, 15520, 16920, 17460, 18236, 20304, 20952, 22560, 22795, 23280, 25380, 26190, 27354, 27936, 33840, 34920, 36472, 40608, 41031, 41904, 45590, 46560, 50760, 52380, 54708, 67680, 68385, 69840, 72944, 82062, 83808, 91180, 101520, 104760, 109416, 123093, 136770, 139680, 145888, 164124, 182360, 203040, 205155, 209520, 218832, 246186, 273540, 328248, 364720, 410310, 419040, 437664, 492372, 547080, 615465, 656496, 729440, 820620, 984744, 1094160, 1230930, 1312992, 1641240, 1969488, 2188320, 2461860, 3282480, 3938976, 4923720, 6564960, 9847440, 19694880]

約数ペア:

[(1, 19694880), (2, 9847440), (3, 6564960), (4, 4923720), (5, 3938976), (6, 3282480), (8, 2461860), (9, 2188320), (10, 1969488), (12, 1641240), (15, 1312992), (16, 1230930), (18, 1094160), (20, 984744), (24, 820620), (27, 729440), (30, 656496), (32, 615465), (36, 547080), (40, 492372), (45, 437664), (47, 419040), (48, 410310), (54, 364720), (60, 328248), (72, 273540), (80, 246186), (90, 218832), (94, 209520), (96, 205155), (97, 203040), (108, 182360), (120, 164124), (135, 145888), (141, 139680), (144, 136770), (160, 123093), (180, 109416), (188, 104760), (194, 101520), (216, 91180), (235, 83808), (240, 82062), (270, 72944), (282, 69840), (288, 68385), (291, 67680), (360, 54708), (376, 52380), (388, 50760), (423, 46560), (432, 45590), (470, 41904), (480, 41031), (485, 40608), (540, 36472), (564, 34920), (582, 33840), (705, 27936), (720, 27354), (752, 26190), (776, 25380), (846, 23280), (864, 22795), (873, 22560), (940, 20952), (970, 20304), (1080, 18236), (1128, 17460), (1164, 16920), (1269, 15520), (1410, 13968), (1440, 13677), (1455, 13536), (1504, 13095), (1552, 12690), (1692, 11640), (1746, 11280), (1880, 10476), (1940, 10152), (2115, 9312), (2160, 9118), (2256, 8730), (2328, 8460), (2538, 7760), (2619, 7520), (2820, 6984), (2910, 6768), (3104, 6345), (3384, 5820), (3492, 5640), (3760, 5238), (3880, 5076), (4230, 4656), (4320, 4559), (4365, 4512)]