78312657780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{875393}}^1$

素因数の和:875486

約数の個数: 144

約数和(自身を含む): 275307911424

約数和(自身を除く): 196995253644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 4260, 4473, 4970, 5964, 6390, 7455, 8946, 9940, 12780, 14910, 17892, 22365, 29820, 44730, 89460, 875393, 1750786, 2626179, 3501572, 4376965, 5252358, 6127751, 7878537, 8753930, 10504716, 12255502, 13130895, 15757074, 17507860, 18383253, 24511004, 26261790, 30638755, 31514148, 36766506, 39392685, 52523580, 55149759, 61277510, 62152903, 73533012, 78785370, 91916265, 110299518, 122555020, 124305806, 157570740, 183832530, 186458709, 220599036, 248611612, 275748795, 310764515, 367665060, 372917418, 435070321, 551497590, 559376127, 621529030, 745834836, 870140642, 932293545, 1102995180, 1118752254, 1243058060, 1305210963, 1740281284, 1864587090, 2175351605, 2237504508, 2610421926, 2796880635, 3729174180, 3915632889, 4350703210, 5220843852, 5593761270, 6526054815, 7831265778, 8701406420, 11187522540, 13052109630, 15662531556, 19578164445, 26104219260, 39156328890, 78312657780]

約数ペア:

[(1, 78312657780), (2, 39156328890), (3, 26104219260), (4, 19578164445), (5, 15662531556), (6, 13052109630), (7, 11187522540), (9, 8701406420), (10, 7831265778), (12, 6526054815), (14, 5593761270), (15, 5220843852), (18, 4350703210), (20, 3915632889), (21, 3729174180), (28, 2796880635), (30, 2610421926), (35, 2237504508), (36, 2175351605), (42, 1864587090), (45, 1740281284), (60, 1305210963), (63, 1243058060), (70, 1118752254), (71, 1102995180), (84, 932293545), (90, 870140642), (105, 745834836), (126, 621529030), (140, 559376127), (142, 551497590), (180, 435070321), (210, 372917418), (213, 367665060), (252, 310764515), (284, 275748795), (315, 248611612), (355, 220599036), (420, 186458709), (426, 183832530), (497, 157570740), (630, 124305806), (639, 122555020), (710, 110299518), (852, 91916265), (994, 78785370), (1065, 73533012), (1260, 62152903), (1278, 61277510), (1420, 55149759), (1491, 52523580), (1988, 39392685), (2130, 36766506), (2485, 31514148), (2556, 30638755), (2982, 26261790), (3195, 24511004), (4260, 18383253), (4473, 17507860), (4970, 15757074), (5964, 13130895), (6390, 12255502), (7455, 10504716), (8946, 8753930), (9940, 7878537), (12780, 6127751), (14910, 5252358), (17892, 4376965), (22365, 3501572), (29820, 2626179), (44730, 1750786), (89460, 875393)]