80390268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2141}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 233906400

約数和(自身を除く): 153516132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 894, 1043, 1341, 1788, 2086, 2141, 2682, 3129, 4172, 4282, 5364, 6258, 6423, 8564, 9387, 12516, 12846, 14987, 18774, 19269, 25692, 29974, 37548, 38538, 44961, 59948, 77076, 89922, 134883, 179844, 269766, 319009, 539532, 638018, 957027, 1276036, 1914054, 2233063, 2871081, 3828108, 4466126, 5742162, 6699189, 8932252, 11484324, 13398378, 20097567, 26796756, 40195134, 80390268]

約数ペア:

[(1, 80390268), (2, 40195134), (3, 26796756), (4, 20097567), (6, 13398378), (7, 11484324), (9, 8932252), (12, 6699189), (14, 5742162), (18, 4466126), (21, 3828108), (28, 2871081), (36, 2233063), (42, 1914054), (63, 1276036), (84, 957027), (126, 638018), (149, 539532), (252, 319009), (298, 269766), (447, 179844), (596, 134883), (894, 89922), (1043, 77076), (1341, 59948), (1788, 44961), (2086, 38538), (2141, 37548), (2682, 29974), (3129, 25692), (4172, 19269), (4282, 18774), (5364, 14987), (6258, 12846), (6423, 12516), (8564, 9387)]