165931840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 418429440

約数和(自身を除く): 252497600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 215, 248, 310, 320, 344, 389, 430, 496, 620, 688, 778, 860, 992, 1240, 1333, 1376, 1556, 1720, 1945, 1984, 2480, 2666, 2752, 3112, 3440, 3890, 4960, 5332, 6224, 6665, 6880, 7780, 9920, 10664, 12059, 12448, 13330, 13760, 15560, 16727, 21328, 24118, 24896, 26660, 31120, 33454, 42656, 48236, 53320, 60295, 62240, 66908, 83635, 85312, 96472, 106640, 120590, 124480, 133816, 167270, 192944, 213280, 241180, 267632, 334540, 385888, 426560, 482360, 518537, 535264, 669080, 771776, 964720, 1037074, 1070528, 1338160, 1929440, 2074148, 2592685, 2676320, 3858880, 4148296, 5185370, 5352640, 8296592, 10370740, 16593184, 20741480, 33186368, 41482960, 82965920, 165931840]

約数ペア:

[(1, 165931840), (2, 82965920), (4, 41482960), (5, 33186368), (8, 20741480), (10, 16593184), (16, 10370740), (20, 8296592), (31, 5352640), (32, 5185370), (40, 4148296), (43, 3858880), (62, 2676320), (64, 2592685), (80, 2074148), (86, 1929440), (124, 1338160), (155, 1070528), (160, 1037074), (172, 964720), (215, 771776), (248, 669080), (310, 535264), (320, 518537), (344, 482360), (389, 426560), (430, 385888), (496, 334540), (620, 267632), (688, 241180), (778, 213280), (860, 192944), (992, 167270), (1240, 133816), (1333, 124480), (1376, 120590), (1556, 106640), (1720, 96472), (1945, 85312), (1984, 83635), (2480, 66908), (2666, 62240), (2752, 60295), (3112, 53320), (3440, 48236), (3890, 42656), (4960, 33454), (5332, 31120), (6224, 26660), (6665, 24896), (6880, 24118), (7780, 21328), (9920, 16727), (10664, 15560), (12059, 13760), (12448, 13330)]