198986520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 423093480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 359, 372, 447, 465, 596, 620, 718, 744, 745, 894, 930, 1077, 1192, 1240, 1436, 1490, 1788, 1795, 1860, 2154, 2235, 2872, 2980, 3576, 3590, 3720, 4308, 4470, 4619, 5385, 5960, 7180, 8616, 8940, 9238, 10770, 11129, 13857, 14360, 17880, 18476, 21540, 22258, 23095, 27714, 33387, 36952, 43080, 44516, 46190, 53491, 55428, 55645, 66774, 69285, 89032, 92380, 106982, 110856, 111290, 133548, 138570, 160473, 166935, 184760, 213964, 222580, 267096, 267455, 277140, 320946, 333870, 427928, 445160, 534910, 554280, 641892, 667740, 802365, 1069820, 1283784, 1335480, 1604730, 1658221, 2139640, 3209460, 3316442, 4974663, 6418920, 6632884, 8291105, 9949326, 13265768, 16582210, 19898652, 24873315, 33164420, 39797304, 49746630, 66328840, 99493260, 198986520]

約数ペア:

[(1, 198986520), (2, 99493260), (3, 66328840), (4, 49746630), (5, 39797304), (6, 33164420), (8, 24873315), (10, 19898652), (12, 16582210), (15, 13265768), (20, 9949326), (24, 8291105), (30, 6632884), (31, 6418920), (40, 4974663), (60, 3316442), (62, 3209460), (93, 2139640), (120, 1658221), (124, 1604730), (149, 1335480), (155, 1283784), (186, 1069820), (248, 802365), (298, 667740), (310, 641892), (359, 554280), (372, 534910), (447, 445160), (465, 427928), (596, 333870), (620, 320946), (718, 277140), (744, 267455), (745, 267096), (894, 222580), (930, 213964), (1077, 184760), (1192, 166935), (1240, 160473), (1436, 138570), (1490, 133548), (1788, 111290), (1795, 110856), (1860, 106982), (2154, 92380), (2235, 89032), (2872, 69285), (2980, 66774), (3576, 55645), (3590, 55428), (3720, 53491), (4308, 46190), (4470, 44516), (4619, 43080), (5385, 36952), (5960, 33387), (7180, 27714), (8616, 23095), (8940, 22258), (9238, 21540), (10770, 18476), (11129, 17880), (13857, 14360)]