168987420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3184

約数の個数: 144

約数和(自身を含む): 599639040

約数和(自身を除く): 430651620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3119, 3612, 3870, 4515, 5418, 6020, 6238, 7740, 9030, 9357, 10836, 12476, 13545, 15595, 18060, 18714, 21833, 27090, 28071, 31190, 37428, 43666, 46785, 54180, 56142, 62380, 65499, 87332, 93570, 109165, 112284, 130998, 134117, 140355, 187140, 196497, 218330, 261996, 268234, 280710, 327495, 392994, 402351, 436660, 536468, 561420, 654990, 670585, 785988, 804702, 938819, 982485, 1207053, 1309980, 1341170, 1609404, 1877638, 1964970, 2011755, 2414106, 2682340, 2816457, 3755276, 3929940, 4023510, 4694095, 4828212, 5632914, 6035265, 8047020, 8449371, 9388190, 11265828, 12070530, 14082285, 16898742, 18776380, 24141060, 28164570, 33797484, 42246855, 56329140, 84493710, 168987420]

約数ペア:

[(1, 168987420), (2, 84493710), (3, 56329140), (4, 42246855), (5, 33797484), (6, 28164570), (7, 24141060), (9, 18776380), (10, 16898742), (12, 14082285), (14, 12070530), (15, 11265828), (18, 9388190), (20, 8449371), (21, 8047020), (28, 6035265), (30, 5632914), (35, 4828212), (36, 4694095), (42, 4023510), (43, 3929940), (45, 3755276), (60, 2816457), (63, 2682340), (70, 2414106), (84, 2011755), (86, 1964970), (90, 1877638), (105, 1609404), (126, 1341170), (129, 1309980), (140, 1207053), (172, 982485), (180, 938819), (210, 804702), (215, 785988), (252, 670585), (258, 654990), (301, 561420), (315, 536468), (387, 436660), (420, 402351), (430, 392994), (516, 327495), (602, 280710), (630, 268234), (645, 261996), (774, 218330), (860, 196497), (903, 187140), (1204, 140355), (1260, 134117), (1290, 130998), (1505, 112284), (1548, 109165), (1806, 93570), (1935, 87332), (2580, 65499), (2709, 62380), (3010, 56142), (3119, 54180), (3612, 46785), (3870, 43666), (4515, 37428), (5418, 31190), (6020, 28071), (6238, 27090), (7740, 21833), (9030, 18714), (9357, 18060), (10836, 15595), (12476, 13545)]