31019840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 47984320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 59, 62, 64, 80, 106, 118, 124, 155, 160, 212, 236, 248, 265, 295, 310, 320, 424, 472, 496, 530, 590, 620, 848, 944, 992, 1060, 1180, 1240, 1643, 1696, 1829, 1888, 1984, 2120, 2360, 2480, 3127, 3286, 3392, 3658, 3776, 4240, 4720, 4960, 6254, 6572, 7316, 8215, 8480, 9145, 9440, 9920, 12508, 13144, 14632, 15635, 16430, 16960, 18290, 18880, 25016, 26288, 29264, 31270, 32860, 36580, 50032, 52576, 58528, 62540, 65720, 73160, 96937, 100064, 105152, 117056, 125080, 131440, 146320, 193874, 200128, 250160, 262880, 292640, 387748, 484685, 500320, 525760, 585280, 775496, 969370, 1000640, 1550992, 1938740, 3101984, 3877480, 6203968, 7754960, 15509920, 31019840]

約数ペア:

[(1, 31019840), (2, 15509920), (4, 7754960), (5, 6203968), (8, 3877480), (10, 3101984), (16, 1938740), (20, 1550992), (31, 1000640), (32, 969370), (40, 775496), (53, 585280), (59, 525760), (62, 500320), (64, 484685), (80, 387748), (106, 292640), (118, 262880), (124, 250160), (155, 200128), (160, 193874), (212, 146320), (236, 131440), (248, 125080), (265, 117056), (295, 105152), (310, 100064), (320, 96937), (424, 73160), (472, 65720), (496, 62540), (530, 58528), (590, 52576), (620, 50032), (848, 36580), (944, 32860), (992, 31270), (1060, 29264), (1180, 26288), (1240, 25016), (1643, 18880), (1696, 18290), (1829, 16960), (1888, 16430), (1984, 15635), (2120, 14632), (2360, 13144), (2480, 12508), (3127, 9920), (3286, 9440), (3392, 9145), (3658, 8480), (3776, 8215), (4240, 7316), (4720, 6572), (4960, 6254)]