219820160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 606614400

約数和(自身を除く): 386794240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 278, 280, 320, 353, 448, 556, 560, 640, 695, 706, 896, 973, 1112, 1120, 1390, 1412, 1765, 1946, 2224, 2240, 2471, 2780, 2824, 3530, 3892, 4448, 4480, 4865, 4942, 5560, 5648, 7060, 7784, 8896, 9730, 9884, 11120, 11296, 12355, 14120, 15568, 17792, 19460, 19768, 22240, 22592, 24710, 28240, 31136, 38920, 39536, 44480, 45184, 49067, 49420, 56480, 62272, 77840, 79072, 88960, 98134, 98840, 112960, 124544, 155680, 158144, 196268, 197680, 225920, 245335, 311360, 316288, 343469, 392536, 395360, 490670, 622720, 686938, 785072, 790720, 981340, 1373876, 1570144, 1581440, 1717345, 1962680, 2747752, 3140288, 3434690, 3925360, 5495504, 6280576, 6869380, 7850720, 10991008, 13738760, 15701440, 21982016, 27477520, 31402880, 43964032, 54955040, 109910080, 219820160]

約数ペア:

[(1, 219820160), (2, 109910080), (4, 54955040), (5, 43964032), (7, 31402880), (8, 27477520), (10, 21982016), (14, 15701440), (16, 13738760), (20, 10991008), (28, 7850720), (32, 6869380), (35, 6280576), (40, 5495504), (56, 3925360), (64, 3434690), (70, 3140288), (80, 2747752), (112, 1962680), (128, 1717345), (139, 1581440), (140, 1570144), (160, 1373876), (224, 981340), (278, 790720), (280, 785072), (320, 686938), (353, 622720), (448, 490670), (556, 395360), (560, 392536), (640, 343469), (695, 316288), (706, 311360), (896, 245335), (973, 225920), (1112, 197680), (1120, 196268), (1390, 158144), (1412, 155680), (1765, 124544), (1946, 112960), (2224, 98840), (2240, 98134), (2471, 88960), (2780, 79072), (2824, 77840), (3530, 62272), (3892, 56480), (4448, 49420), (4480, 49067), (4865, 45184), (4942, 44480), (5560, 39536), (5648, 38920), (7060, 31136), (7784, 28240), (8896, 24710), (9730, 22592), (9884, 22240), (11120, 19768), (11296, 19460), (12355, 17792), (14120, 15568)]