168720318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 434790720

約数和(自身を除く): 266070402

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 29, 39, 46, 47, 58, 69, 78, 87, 94, 117, 138, 141, 174, 207, 234, 261, 282, 299, 377, 414, 423, 522, 529, 598, 611, 667, 754, 846, 897, 1058, 1081, 1131, 1222, 1334, 1363, 1587, 1794, 1833, 2001, 2162, 2262, 2691, 2726, 3174, 3243, 3393, 3666, 4002, 4089, 4761, 5382, 5499, 6003, 6486, 6786, 6877, 8178, 8671, 9522, 9729, 10998, 12006, 12267, 13754, 14053, 15341, 17342, 17719, 19458, 20631, 24534, 24863, 26013, 28106, 30682, 31349, 35438, 41262, 42159, 46023, 49726, 52026, 53157, 61893, 62698, 74589, 78039, 84318, 92046, 94047, 106314, 123786, 126477, 138069, 149178, 156078, 159471, 188094, 199433, 223767, 252954, 276138, 282141, 318942, 323219, 398866, 407537, 447534, 564282, 598299, 646438, 721027, 815074, 969657, 1196598, 1222611, 1442054, 1794897, 1939314, 2163081, 2445222, 2908971, 3589794, 3667833, 4326162, 5817942, 6489243, 7335666, 9373351, 12978486, 18746702, 28120053, 56240106, 84360159, 168720318]

約数ペア:

[(1, 168720318), (2, 84360159), (3, 56240106), (6, 28120053), (9, 18746702), (13, 12978486), (18, 9373351), (23, 7335666), (26, 6489243), (29, 5817942), (39, 4326162), (46, 3667833), (47, 3589794), (58, 2908971), (69, 2445222), (78, 2163081), (87, 1939314), (94, 1794897), (117, 1442054), (138, 1222611), (141, 1196598), (174, 969657), (207, 815074), (234, 721027), (261, 646438), (282, 598299), (299, 564282), (377, 447534), (414, 407537), (423, 398866), (522, 323219), (529, 318942), (598, 282141), (611, 276138), (667, 252954), (754, 223767), (846, 199433), (897, 188094), (1058, 159471), (1081, 156078), (1131, 149178), (1222, 138069), (1334, 126477), (1363, 123786), (1587, 106314), (1794, 94047), (1833, 92046), (2001, 84318), (2162, 78039), (2262, 74589), (2691, 62698), (2726, 61893), (3174, 53157), (3243, 52026), (3393, 49726), (3666, 46023), (4002, 42159), (4089, 41262), (4761, 35438), (5382, 31349), (5499, 30682), (6003, 28106), (6486, 26013), (6786, 24863), (6877, 24534), (8178, 20631), (8671, 19458), (9522, 17719), (9729, 17342), (10998, 15341), (12006, 14053), (12267, 13754)]