128963940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1543}}^1$

素因数の和:1761

約数の個数: 96

約数和(自身を含む): 415027200

約数和(自身を除く): 286063260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1543, 1990, 2388, 2786, 2985, 3086, 3980, 4179, 4629, 5572, 5970, 6172, 6965, 7715, 8358, 9258, 10801, 11940, 13930, 15430, 16716, 18516, 20895, 21602, 23145, 27860, 30860, 32403, 41790, 43204, 46290, 54005, 64806, 83580, 92580, 108010, 129612, 162015, 216020, 307057, 324030, 614114, 648060, 921171, 1228228, 1535285, 1842342, 2149399, 3070570, 3684684, 4298798, 4605855, 6141140, 6448197, 8597596, 9211710, 10746995, 12896394, 18423420, 21493990, 25792788, 32240985, 42987980, 64481970, 128963940]

約数ペア:

[(1, 128963940), (2, 64481970), (3, 42987980), (4, 32240985), (5, 25792788), (6, 21493990), (7, 18423420), (10, 12896394), (12, 10746995), (14, 9211710), (15, 8597596), (20, 6448197), (21, 6141140), (28, 4605855), (30, 4298798), (35, 3684684), (42, 3070570), (60, 2149399), (70, 1842342), (84, 1535285), (105, 1228228), (140, 921171), (199, 648060), (210, 614114), (398, 324030), (420, 307057), (597, 216020), (796, 162015), (995, 129612), (1194, 108010), (1393, 92580), (1543, 83580), (1990, 64806), (2388, 54005), (2786, 46290), (2985, 43204), (3086, 41790), (3980, 32403), (4179, 30860), (4629, 27860), (5572, 23145), (5970, 21602), (6172, 20895), (6965, 18516), (7715, 16716), (8358, 15430), (9258, 13930), (10801, 11940)]