78836520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 128

約数和(自身を含む): 272793600

約数和(自身を除く): 193957080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 739, 762, 840, 889, 1016, 1270, 1478, 1524, 1778, 1905, 2217, 2540, 2667, 2956, 3048, 3556, 3695, 3810, 4434, 4445, 5080, 5173, 5334, 5912, 7112, 7390, 7620, 8868, 8890, 10346, 10668, 11085, 13335, 14780, 15240, 15519, 17736, 17780, 20692, 21336, 22170, 25865, 26670, 29560, 31038, 35560, 41384, 44340, 51730, 53340, 62076, 77595, 88680, 93853, 103460, 106680, 124152, 155190, 187706, 206920, 281559, 310380, 375412, 469265, 563118, 620760, 656971, 750824, 938530, 1126236, 1313942, 1407795, 1877060, 1970913, 2252472, 2627884, 2815590, 3284855, 3754120, 3941826, 5255768, 5631180, 6569710, 7883652, 9854565, 11262360, 13139420, 15767304, 19709130, 26278840, 39418260, 78836520]

約数ペア:

[(1, 78836520), (2, 39418260), (3, 26278840), (4, 19709130), (5, 15767304), (6, 13139420), (7, 11262360), (8, 9854565), (10, 7883652), (12, 6569710), (14, 5631180), (15, 5255768), (20, 3941826), (21, 3754120), (24, 3284855), (28, 2815590), (30, 2627884), (35, 2252472), (40, 1970913), (42, 1877060), (56, 1407795), (60, 1313942), (70, 1126236), (84, 938530), (105, 750824), (120, 656971), (127, 620760), (140, 563118), (168, 469265), (210, 375412), (254, 310380), (280, 281559), (381, 206920), (420, 187706), (508, 155190), (635, 124152), (739, 106680), (762, 103460), (840, 93853), (889, 88680), (1016, 77595), (1270, 62076), (1478, 53340), (1524, 51730), (1778, 44340), (1905, 41384), (2217, 35560), (2540, 31038), (2667, 29560), (2956, 26670), (3048, 25865), (3556, 22170), (3695, 21336), (3810, 20692), (4434, 17780), (4445, 17736), (5080, 15519), (5173, 15240), (5334, 14780), (5912, 13335), (7112, 11085), (7390, 10668), (7620, 10346), (8868, 8890)]