64845720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 222393600

約数和(自身を除く): 157547880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 59, 60, 71, 72, 86, 90, 118, 120, 129, 142, 172, 177, 180, 213, 215, 236, 258, 284, 295, 344, 354, 355, 360, 387, 426, 430, 472, 516, 531, 568, 590, 639, 645, 708, 710, 774, 852, 860, 885, 1032, 1062, 1065, 1180, 1278, 1290, 1416, 1420, 1548, 1704, 1720, 1770, 1935, 2124, 2130, 2360, 2537, 2556, 2580, 2655, 2840, 3053, 3096, 3195, 3540, 3870, 4189, 4248, 4260, 5074, 5112, 5160, 5310, 6106, 6390, 7080, 7611, 7740, 8378, 8520, 9159, 10148, 10620, 12212, 12567, 12685, 12780, 15222, 15265, 15480, 16756, 18318, 20296, 20945, 21240, 22833, 24424, 25134, 25370, 25560, 27477, 30444, 30530, 33512, 36636, 37701, 38055, 41890, 45666, 45795, 50268, 50740, 54954, 60888, 61060, 62835, 73272, 75402, 76110, 83780, 91332, 91590, 100536, 101480, 109908, 114165, 122120, 125670, 137385, 150804, 152220, 167560, 180127, 182664, 183180, 188505, 219816, 228330, 251340, 274770, 301608, 304440, 360254, 366360, 377010, 456660, 502680, 540381, 549540, 720508, 754020, 900635, 913320, 1080762, 1099080, 1441016, 1508040, 1621143, 1801270, 2161524, 2701905, 3242286, 3602540, 4323048, 5403810, 6484572, 7205080, 8105715, 10807620, 12969144, 16211430, 21615240, 32422860, 64845720]

約数ペア:

[(1, 64845720), (2, 32422860), (3, 21615240), (4, 16211430), (5, 12969144), (6, 10807620), (8, 8105715), (9, 7205080), (10, 6484572), (12, 5403810), (15, 4323048), (18, 3602540), (20, 3242286), (24, 2701905), (30, 2161524), (36, 1801270), (40, 1621143), (43, 1508040), (45, 1441016), (59, 1099080), (60, 1080762), (71, 913320), (72, 900635), (86, 754020), (90, 720508), (118, 549540), (120, 540381), (129, 502680), (142, 456660), (172, 377010), (177, 366360), (180, 360254), (213, 304440), (215, 301608), (236, 274770), (258, 251340), (284, 228330), (295, 219816), (344, 188505), (354, 183180), (355, 182664), (360, 180127), (387, 167560), (426, 152220), (430, 150804), (472, 137385), (516, 125670), (531, 122120), (568, 114165), (590, 109908), (639, 101480), (645, 100536), (708, 91590), (710, 91332), (774, 83780), (852, 76110), (860, 75402), (885, 73272), (1032, 62835), (1062, 61060), (1065, 60888), (1180, 54954), (1278, 50740), (1290, 50268), (1416, 45795), (1420, 45666), (1548, 41890), (1704, 38055), (1720, 37701), (1770, 36636), (1935, 33512), (2124, 30530), (2130, 30444), (2360, 27477), (2537, 25560), (2556, 25370), (2580, 25134), (2655, 24424), (2840, 22833), (3053, 21240), (3096, 20945), (3195, 20296), (3540, 18318), (3870, 16756), (4189, 15480), (4248, 15265), (4260, 15222), (5074, 12780), (5112, 12685), (5160, 12567), (5310, 12212), (6106, 10620), (6390, 10148), (7080, 9159), (7611, 8520), (7740, 8378)]