78147840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 255483648

約数和(自身を除く): 177335808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 256, 282, 320, 376, 384, 433, 470, 480, 564, 640, 705, 752, 768, 866, 940, 960, 1128, 1280, 1299, 1410, 1504, 1732, 1880, 1920, 2165, 2256, 2598, 2820, 3008, 3464, 3760, 3840, 4330, 4512, 5196, 5640, 6016, 6495, 6928, 7520, 8660, 9024, 10392, 11280, 12032, 12990, 13856, 15040, 17320, 18048, 20351, 20784, 22560, 25980, 27712, 30080, 34640, 36096, 40702, 41568, 45120, 51960, 55424, 60160, 61053, 69280, 81404, 83136, 90240, 101755, 103920, 110848, 122106, 138560, 162808, 166272, 180480, 203510, 207840, 244212, 277120, 305265, 325616, 332544, 407020, 415680, 488424, 554240, 610530, 651232, 814040, 831360, 976848, 1221060, 1302464, 1628080, 1662720, 1953696, 2442120, 2604928, 3256160, 3907392, 4884240, 5209856, 6512320, 7814784, 9768480, 13024640, 15629568, 19536960, 26049280, 39073920, 78147840]

約数ペア:

[(1, 78147840), (2, 39073920), (3, 26049280), (4, 19536960), (5, 15629568), (6, 13024640), (8, 9768480), (10, 7814784), (12, 6512320), (15, 5209856), (16, 4884240), (20, 3907392), (24, 3256160), (30, 2604928), (32, 2442120), (40, 1953696), (47, 1662720), (48, 1628080), (60, 1302464), (64, 1221060), (80, 976848), (94, 831360), (96, 814040), (120, 651232), (128, 610530), (141, 554240), (160, 488424), (188, 415680), (192, 407020), (235, 332544), (240, 325616), (256, 305265), (282, 277120), (320, 244212), (376, 207840), (384, 203510), (433, 180480), (470, 166272), (480, 162808), (564, 138560), (640, 122106), (705, 110848), (752, 103920), (768, 101755), (866, 90240), (940, 83136), (960, 81404), (1128, 69280), (1280, 61053), (1299, 60160), (1410, 55424), (1504, 51960), (1732, 45120), (1880, 41568), (1920, 40702), (2165, 36096), (2256, 34640), (2598, 30080), (2820, 27712), (3008, 25980), (3464, 22560), (3760, 20784), (3840, 20351), (4330, 18048), (4512, 17320), (5196, 15040), (5640, 13856), (6016, 12990), (6495, 12032), (6928, 11280), (7520, 10392), (8660, 9024)]