81036620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 127982260

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 79, 85, 119, 140, 158, 170, 238, 316, 340, 395, 431, 476, 553, 595, 790, 862, 1106, 1190, 1343, 1580, 1724, 2155, 2212, 2380, 2686, 2765, 3017, 4310, 5372, 5530, 6034, 6715, 7327, 8620, 9401, 11060, 12068, 13430, 14654, 15085, 18802, 26860, 29308, 30170, 34049, 36635, 37604, 47005, 51289, 60340, 68098, 73270, 94010, 102578, 136196, 146540, 170245, 188020, 205156, 238343, 256445, 340490, 476686, 512890, 578833, 680980, 953372, 1025780, 1157666, 1191715, 2315332, 2383430, 2894165, 4051831, 4766860, 5788330, 8103662, 11576660, 16207324, 20259155, 40518310, 81036620]

約数ペア:

[(1, 81036620), (2, 40518310), (4, 20259155), (5, 16207324), (7, 11576660), (10, 8103662), (14, 5788330), (17, 4766860), (20, 4051831), (28, 2894165), (34, 2383430), (35, 2315332), (68, 1191715), (70, 1157666), (79, 1025780), (85, 953372), (119, 680980), (140, 578833), (158, 512890), (170, 476686), (238, 340490), (316, 256445), (340, 238343), (395, 205156), (431, 188020), (476, 170245), (553, 146540), (595, 136196), (790, 102578), (862, 94010), (1106, 73270), (1190, 68098), (1343, 60340), (1580, 51289), (1724, 47005), (2155, 37604), (2212, 36635), (2380, 34049), (2686, 30170), (2765, 29308), (3017, 26860), (4310, 18802), (5372, 15085), (5530, 14654), (6034, 13430), (6715, 12068), (7327, 11060), (8620, 9401)]