158143720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 424258560

約数和(自身を除く): 266114840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 61, 70, 94, 122, 140, 188, 197, 235, 244, 280, 305, 329, 376, 394, 427, 470, 488, 610, 658, 788, 854, 940, 985, 1220, 1316, 1379, 1576, 1645, 1708, 1880, 1970, 2135, 2440, 2632, 2758, 2867, 3290, 3416, 3940, 4270, 5516, 5734, 6580, 6895, 7880, 8540, 9259, 11032, 11468, 12017, 13160, 13790, 14335, 17080, 18518, 20069, 22936, 24034, 27580, 28670, 37036, 40138, 46295, 48068, 55160, 57340, 60085, 64813, 74072, 80276, 84119, 92590, 96136, 100345, 114680, 120170, 129626, 160552, 168238, 185180, 200690, 240340, 259252, 324065, 336476, 370360, 401380, 420595, 480680, 518504, 564799, 648130, 672952, 802760, 841190, 1129598, 1296260, 1682380, 2259196, 2592520, 2823995, 3364760, 3953593, 4518392, 5647990, 7907186, 11295980, 15814372, 19767965, 22591960, 31628744, 39535930, 79071860, 158143720]

約数ペア:

[(1, 158143720), (2, 79071860), (4, 39535930), (5, 31628744), (7, 22591960), (8, 19767965), (10, 15814372), (14, 11295980), (20, 7907186), (28, 5647990), (35, 4518392), (40, 3953593), (47, 3364760), (56, 2823995), (61, 2592520), (70, 2259196), (94, 1682380), (122, 1296260), (140, 1129598), (188, 841190), (197, 802760), (235, 672952), (244, 648130), (280, 564799), (305, 518504), (329, 480680), (376, 420595), (394, 401380), (427, 370360), (470, 336476), (488, 324065), (610, 259252), (658, 240340), (788, 200690), (854, 185180), (940, 168238), (985, 160552), (1220, 129626), (1316, 120170), (1379, 114680), (1576, 100345), (1645, 96136), (1708, 92590), (1880, 84119), (1970, 80276), (2135, 74072), (2440, 64813), (2632, 60085), (2758, 57340), (2867, 55160), (3290, 48068), (3416, 46295), (3940, 40138), (4270, 37036), (5516, 28670), (5734, 27580), (6580, 24034), (6895, 22936), (7880, 20069), (8540, 18518), (9259, 17080), (11032, 14335), (11468, 13790), (12017, 13160)]