205385040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40751}}^1$

素因数の和:40777

約数の個数: 120

約数和(自身を含む): 788306688

約数和(自身を除く): 582921648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40751, 81502, 122253, 163004, 203755, 244506, 285257, 326008, 366759, 407510, 489012, 570514, 611265, 652016, 733518, 815020, 855771, 978024, 1141028, 1222530, 1426285, 1467036, 1630040, 1711542, 1833795, 1956048, 2282056, 2445060, 2567313, 2852570, 2934072, 3260080, 3423084, 3667590, 4278855, 4564112, 4890120, 5134626, 5705140, 5868144, 6846168, 7335180, 8557710, 9780240, 10269252, 11410280, 12836565, 13692336, 14670360, 17115420, 20538504, 22820560, 25673130, 29340720, 34230840, 41077008, 51346260, 68461680, 102692520, 205385040]

約数ペア:

[(1, 205385040), (2, 102692520), (3, 68461680), (4, 51346260), (5, 41077008), (6, 34230840), (7, 29340720), (8, 25673130), (9, 22820560), (10, 20538504), (12, 17115420), (14, 14670360), (15, 13692336), (16, 12836565), (18, 11410280), (20, 10269252), (21, 9780240), (24, 8557710), (28, 7335180), (30, 6846168), (35, 5868144), (36, 5705140), (40, 5134626), (42, 4890120), (45, 4564112), (48, 4278855), (56, 3667590), (60, 3423084), (63, 3260080), (70, 2934072), (72, 2852570), (80, 2567313), (84, 2445060), (90, 2282056), (105, 1956048), (112, 1833795), (120, 1711542), (126, 1630040), (140, 1467036), (144, 1426285), (168, 1222530), (180, 1141028), (210, 978024), (240, 855771), (252, 815020), (280, 733518), (315, 652016), (336, 611265), (360, 570514), (420, 489012), (504, 407510), (560, 366759), (630, 326008), (720, 285257), (840, 244506), (1008, 203755), (1260, 163004), (1680, 122253), (2520, 81502), (5040, 40751)]