279097810920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{390959}}^1$

素因数の和:391640

約数の個数: 128

約数和(自身を含む): 931735872000

約数和(自身を除く): 652638061080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 661, 1080, 1322, 1983, 2644, 3305, 3966, 5288, 5949, 6610, 7932, 9915, 11898, 13220, 15864, 17847, 19830, 23796, 26440, 29745, 35694, 39660, 47592, 59490, 71388, 79320, 89235, 118980, 142776, 178470, 237960, 356940, 390959, 713880, 781918, 1172877, 1563836, 1954795, 2345754, 3127672, 3518631, 3909590, 4691508, 5864385, 7037262, 7819180, 9383016, 10555893, 11728770, 14074524, 15638360, 17593155, 21111786, 23457540, 28149048, 35186310, 42223572, 46915080, 52779465, 70372620, 84447144, 105558930, 140745240, 211117860, 258423899, 422235720, 516847798, 775271697, 1033695596, 1292119495, 1550543394, 2067391192, 2325815091, 2584238990, 3101086788, 3876358485, 4651630182, 5168477980, 6202173576, 6977445273, 7752716970, 9303260364, 10336955960, 11629075455, 13954890546, 15505433940, 18606520728, 23258150910, 27909781092, 31010867880, 34887226365, 46516301820, 55819562184, 69774452730, 93032603640, 139548905460, 279097810920]

約数ペア:

[(1, 279097810920), (2, 139548905460), (3, 93032603640), (4, 69774452730), (5, 55819562184), (6, 46516301820), (8, 34887226365), (9, 31010867880), (10, 27909781092), (12, 23258150910), (15, 18606520728), (18, 15505433940), (20, 13954890546), (24, 11629075455), (27, 10336955960), (30, 9303260364), (36, 7752716970), (40, 6977445273), (45, 6202173576), (54, 5168477980), (60, 4651630182), (72, 3876358485), (90, 3101086788), (108, 2584238990), (120, 2325815091), (135, 2067391192), (180, 1550543394), (216, 1292119495), (270, 1033695596), (360, 775271697), (540, 516847798), (661, 422235720), (1080, 258423899), (1322, 211117860), (1983, 140745240), (2644, 105558930), (3305, 84447144), (3966, 70372620), (5288, 52779465), (5949, 46915080), (6610, 42223572), (7932, 35186310), (9915, 28149048), (11898, 23457540), (13220, 21111786), (15864, 17593155), (17847, 15638360), (19830, 14074524), (23796, 11728770), (26440, 10555893), (29745, 9383016), (35694, 7819180), (39660, 7037262), (47592, 5864385), (59490, 4691508), (71388, 3909590), (79320, 3518631), (89235, 3127672), (118980, 2345754), (142776, 1954795), (178470, 1563836), (237960, 1172877), (356940, 781918), (390959, 713880)]