123406710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 360391680

約数和(自身を除く): 236984970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 157, 190, 197, 210, 266, 285, 314, 394, 399, 471, 570, 591, 665, 785, 798, 942, 985, 1099, 1182, 1330, 1379, 1570, 1970, 1995, 2198, 2355, 2758, 2955, 2983, 3297, 3743, 3990, 4137, 4710, 5495, 5910, 5966, 6594, 6895, 7486, 8274, 8949, 10990, 11229, 13790, 14915, 16485, 17898, 18715, 20685, 20881, 22458, 26201, 29830, 30929, 32970, 37430, 41370, 41762, 44745, 52402, 56145, 61858, 62643, 78603, 89490, 92787, 104405, 112290, 125286, 131005, 154645, 157206, 185574, 208810, 216503, 262010, 309290, 313215, 393015, 433006, 463935, 587651, 626430, 649509, 786030, 927870, 1082515, 1175302, 1299018, 1762953, 2165030, 2938255, 3247545, 3525906, 4113557, 5876510, 6495090, 8227114, 8814765, 12340671, 17629530, 20567785, 24681342, 41135570, 61703355, 123406710]

約数ペア:

[(1, 123406710), (2, 61703355), (3, 41135570), (5, 24681342), (6, 20567785), (7, 17629530), (10, 12340671), (14, 8814765), (15, 8227114), (19, 6495090), (21, 5876510), (30, 4113557), (35, 3525906), (38, 3247545), (42, 2938255), (57, 2165030), (70, 1762953), (95, 1299018), (105, 1175302), (114, 1082515), (133, 927870), (157, 786030), (190, 649509), (197, 626430), (210, 587651), (266, 463935), (285, 433006), (314, 393015), (394, 313215), (399, 309290), (471, 262010), (570, 216503), (591, 208810), (665, 185574), (785, 157206), (798, 154645), (942, 131005), (985, 125286), (1099, 112290), (1182, 104405), (1330, 92787), (1379, 89490), (1570, 78603), (1970, 62643), (1995, 61858), (2198, 56145), (2355, 52402), (2758, 44745), (2955, 41762), (2983, 41370), (3297, 37430), (3743, 32970), (3990, 30929), (4137, 29830), (4710, 26201), (5495, 22458), (5910, 20881), (5966, 20685), (6594, 18715), (6895, 17898), (7486, 16485), (8274, 14915), (8949, 13790), (10990, 11229)]