197870520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 128

約数和(自身を含む): 627517440

約数和(自身を除く): 429646920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1237, 1240, 1290, 1333, 1720, 1860, 2474, 2580, 2666, 3711, 3720, 3999, 4948, 5160, 5332, 6185, 6665, 7422, 7998, 9896, 10664, 12370, 13330, 14844, 15996, 18555, 19995, 24740, 26660, 29688, 31992, 37110, 38347, 39990, 49480, 53191, 53320, 74220, 76694, 79980, 106382, 115041, 148440, 153388, 159573, 159960, 191735, 212764, 230082, 265955, 306776, 319146, 383470, 425528, 460164, 531910, 575205, 638292, 766940, 797865, 920328, 1063820, 1150410, 1276584, 1533880, 1595730, 1648921, 2127640, 2300820, 3191460, 3297842, 4601640, 4946763, 6382920, 6595684, 8244605, 9893526, 13191368, 16489210, 19787052, 24733815, 32978420, 39574104, 49467630, 65956840, 98935260, 197870520]

約数ペア:

[(1, 197870520), (2, 98935260), (3, 65956840), (4, 49467630), (5, 39574104), (6, 32978420), (8, 24733815), (10, 19787052), (12, 16489210), (15, 13191368), (20, 9893526), (24, 8244605), (30, 6595684), (31, 6382920), (40, 4946763), (43, 4601640), (60, 3297842), (62, 3191460), (86, 2300820), (93, 2127640), (120, 1648921), (124, 1595730), (129, 1533880), (155, 1276584), (172, 1150410), (186, 1063820), (215, 920328), (248, 797865), (258, 766940), (310, 638292), (344, 575205), (372, 531910), (430, 460164), (465, 425528), (516, 383470), (620, 319146), (645, 306776), (744, 265955), (860, 230082), (930, 212764), (1032, 191735), (1237, 159960), (1240, 159573), (1290, 153388), (1333, 148440), (1720, 115041), (1860, 106382), (2474, 79980), (2580, 76694), (2666, 74220), (3711, 53320), (3720, 53191), (3999, 49480), (4948, 39990), (5160, 38347), (5332, 37110), (6185, 31992), (6665, 29688), (7422, 26660), (7998, 24740), (9896, 19995), (10664, 18555), (12370, 15996), (13330, 14844)]