131137020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:744

約数の個数: 144

約数和(自身を含む): 457766400

約数和(自身を除く): 326629380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 398, 420, 523, 597, 630, 796, 995, 1046, 1194, 1260, 1393, 1569, 1791, 1990, 2092, 2388, 2615, 2786, 2985, 3138, 3582, 3661, 3980, 4179, 4707, 5230, 5572, 5970, 6276, 6965, 7164, 7322, 7845, 8358, 8955, 9414, 10460, 10983, 11940, 12537, 13930, 14644, 15690, 16716, 17910, 18305, 18828, 20895, 21966, 23535, 25074, 27860, 31380, 32949, 35820, 36610, 41790, 43932, 47070, 50148, 54915, 62685, 65898, 73220, 83580, 94140, 104077, 109830, 125370, 131796, 164745, 208154, 219660, 250740, 312231, 329490, 416308, 520385, 624462, 658980, 728539, 936693, 1040770, 1248924, 1457078, 1561155, 1873386, 2081540, 2185617, 2914156, 3122310, 3642695, 3746772, 4371234, 4683465, 6244620, 6556851, 7285390, 8742468, 9366930, 10928085, 13113702, 14570780, 18733860, 21856170, 26227404, 32784255, 43712340, 65568510, 131137020]

約数ペア:

[(1, 131137020), (2, 65568510), (3, 43712340), (4, 32784255), (5, 26227404), (6, 21856170), (7, 18733860), (9, 14570780), (10, 13113702), (12, 10928085), (14, 9366930), (15, 8742468), (18, 7285390), (20, 6556851), (21, 6244620), (28, 4683465), (30, 4371234), (35, 3746772), (36, 3642695), (42, 3122310), (45, 2914156), (60, 2185617), (63, 2081540), (70, 1873386), (84, 1561155), (90, 1457078), (105, 1248924), (126, 1040770), (140, 936693), (180, 728539), (199, 658980), (210, 624462), (252, 520385), (315, 416308), (398, 329490), (420, 312231), (523, 250740), (597, 219660), (630, 208154), (796, 164745), (995, 131796), (1046, 125370), (1194, 109830), (1260, 104077), (1393, 94140), (1569, 83580), (1791, 73220), (1990, 65898), (2092, 62685), (2388, 54915), (2615, 50148), (2786, 47070), (2985, 43932), (3138, 41790), (3582, 36610), (3661, 35820), (3980, 32949), (4179, 31380), (4707, 27860), (5230, 25074), (5572, 23535), (5970, 21966), (6276, 20895), (6965, 18828), (7164, 18305), (7322, 17910), (7845, 16716), (8358, 15690), (8955, 14644), (9414, 13930), (10460, 12537), (10983, 11940)]