77821380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4786

約数の個数: 144

約数和(自身を含む): 290594304

約数和(自身を除く): 212772924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4751, 5460, 8190, 9502, 14253, 16380, 19004, 23755, 28506, 33257, 42759, 47510, 57012, 61763, 66514, 71265, 85518, 95020, 99771, 123526, 133028, 142530, 166285, 171036, 185289, 199542, 213795, 247052, 285060, 299313, 308815, 332570, 370578, 399084, 427590, 432341, 498855, 555867, 598626, 617630, 665140, 741156, 855180, 864682, 926445, 997710, 1111734, 1197252, 1235260, 1297023, 1496565, 1729364, 1852890, 1995420, 2161705, 2223468, 2594046, 2779335, 2993130, 3705780, 3891069, 4323410, 5188092, 5558670, 5986260, 6485115, 7782138, 8646820, 11117340, 12970230, 15564276, 19455345, 25940460, 38910690, 77821380]

約数ペア:

[(1, 77821380), (2, 38910690), (3, 25940460), (4, 19455345), (5, 15564276), (6, 12970230), (7, 11117340), (9, 8646820), (10, 7782138), (12, 6485115), (13, 5986260), (14, 5558670), (15, 5188092), (18, 4323410), (20, 3891069), (21, 3705780), (26, 2993130), (28, 2779335), (30, 2594046), (35, 2223468), (36, 2161705), (39, 1995420), (42, 1852890), (45, 1729364), (52, 1496565), (60, 1297023), (63, 1235260), (65, 1197252), (70, 1111734), (78, 997710), (84, 926445), (90, 864682), (91, 855180), (105, 741156), (117, 665140), (126, 617630), (130, 598626), (140, 555867), (156, 498855), (180, 432341), (182, 427590), (195, 399084), (210, 370578), (234, 332570), (252, 308815), (260, 299313), (273, 285060), (315, 247052), (364, 213795), (390, 199542), (420, 185289), (455, 171036), (468, 166285), (546, 142530), (585, 133028), (630, 123526), (780, 99771), (819, 95020), (910, 85518), (1092, 71265), (1170, 66514), (1260, 61763), (1365, 57012), (1638, 47510), (1820, 42759), (2340, 33257), (2730, 28506), (3276, 23755), (4095, 19004), (4751, 16380), (5460, 14253), (8190, 9502)]