138460980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17351}}^1$

素因数の和:17389

約数の個数: 96

約数和(自身を含む): 466421760

約数和(自身を除く): 327960780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 17351, 34702, 52053, 69404, 86755, 104106, 121457, 173510, 208212, 242914, 260265, 329669, 347020, 364371, 485828, 520530, 607285, 659338, 728742, 989007, 1041060, 1214570, 1318676, 1457484, 1648345, 1821855, 1978014, 2307683, 2429140, 3296690, 3643710, 3956028, 4615366, 4945035, 6593380, 6923049, 7287420, 9230732, 9890070, 11538415, 13846098, 19780140, 23076830, 27692196, 34615245, 46153660, 69230490, 138460980]

約数ペア:

[(1, 138460980), (2, 69230490), (3, 46153660), (4, 34615245), (5, 27692196), (6, 23076830), (7, 19780140), (10, 13846098), (12, 11538415), (14, 9890070), (15, 9230732), (19, 7287420), (20, 6923049), (21, 6593380), (28, 4945035), (30, 4615366), (35, 3956028), (38, 3643710), (42, 3296690), (57, 2429140), (60, 2307683), (70, 1978014), (76, 1821855), (84, 1648345), (95, 1457484), (105, 1318676), (114, 1214570), (133, 1041060), (140, 989007), (190, 728742), (210, 659338), (228, 607285), (266, 520530), (285, 485828), (380, 364371), (399, 347020), (420, 329669), (532, 260265), (570, 242914), (665, 208212), (798, 173510), (1140, 121457), (1330, 104106), (1596, 86755), (1995, 69404), (2660, 52053), (3990, 34702), (7980, 17351)]