161521140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 520224768

約数和(自身を除く): 358703628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 47, 55, 60, 66, 82, 94, 110, 123, 127, 132, 141, 164, 165, 188, 205, 220, 235, 246, 254, 282, 330, 381, 410, 451, 470, 492, 508, 517, 564, 615, 635, 660, 705, 762, 820, 902, 940, 1034, 1230, 1270, 1353, 1397, 1410, 1524, 1551, 1804, 1905, 1927, 2068, 2255, 2460, 2540, 2585, 2706, 2794, 2820, 3102, 3810, 3854, 4191, 4510, 5170, 5207, 5412, 5588, 5781, 5969, 6204, 6765, 6985, 7620, 7708, 7755, 8382, 9020, 9635, 10340, 10414, 11562, 11938, 13530, 13970, 15510, 15621, 16764, 17907, 19270, 20828, 20955, 21197, 23124, 23876, 26035, 27060, 27940, 28905, 29845, 31020, 31242, 35814, 38540, 41910, 42394, 52070, 57277, 57810, 59690, 62484, 63591, 65659, 71628, 78105, 83820, 84788, 89535, 104140, 105985, 114554, 115620, 119380, 127182, 131318, 156210, 171831, 179070, 196977, 211970, 229108, 244729, 254364, 262636, 286385, 312420, 317955, 328295, 343662, 358140, 393954, 423940, 489458, 572770, 635910, 656590, 687324, 734187, 787908, 859155, 978916, 984885, 1145540, 1223645, 1271820, 1313180, 1468374, 1718310, 1969770, 2447290, 2692019, 2936748, 3436620, 3670935, 3939540, 4894580, 5384038, 7341870, 8076057, 10768076, 13460095, 14683740, 16152114, 26920190, 32304228, 40380285, 53840380, 80760570, 161521140]

約数ペア:

[(1, 161521140), (2, 80760570), (3, 53840380), (4, 40380285), (5, 32304228), (6, 26920190), (10, 16152114), (11, 14683740), (12, 13460095), (15, 10768076), (20, 8076057), (22, 7341870), (30, 5384038), (33, 4894580), (41, 3939540), (44, 3670935), (47, 3436620), (55, 2936748), (60, 2692019), (66, 2447290), (82, 1969770), (94, 1718310), (110, 1468374), (123, 1313180), (127, 1271820), (132, 1223645), (141, 1145540), (164, 984885), (165, 978916), (188, 859155), (205, 787908), (220, 734187), (235, 687324), (246, 656590), (254, 635910), (282, 572770), (330, 489458), (381, 423940), (410, 393954), (451, 358140), (470, 343662), (492, 328295), (508, 317955), (517, 312420), (564, 286385), (615, 262636), (635, 254364), (660, 244729), (705, 229108), (762, 211970), (820, 196977), (902, 179070), (940, 171831), (1034, 156210), (1230, 131318), (1270, 127182), (1353, 119380), (1397, 115620), (1410, 114554), (1524, 105985), (1551, 104140), (1804, 89535), (1905, 84788), (1927, 83820), (2068, 78105), (2255, 71628), (2460, 65659), (2540, 63591), (2585, 62484), (2706, 59690), (2794, 57810), (2820, 57277), (3102, 52070), (3810, 42394), (3854, 41910), (4191, 38540), (4510, 35814), (5170, 31242), (5207, 31020), (5412, 29845), (5588, 28905), (5781, 27940), (5969, 27060), (6204, 26035), (6765, 23876), (6985, 23124), (7620, 21197), (7708, 20955), (7755, 20828), (8382, 19270), (9020, 17907), (9635, 16764), (10340, 15621), (10414, 15510), (11562, 13970), (11938, 13530)]