787640040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198899}}^1$

素因数の和:198927

約数の個数: 96

約数和(自身を含む): 2792556000

約数和(自身を除く): 2004915960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 198899, 397798, 596697, 795596, 994495, 1193394, 1591192, 1790091, 1988990, 2187889, 2386788, 2983485, 3580182, 3977980, 4375778, 4773576, 5966970, 6563667, 7160364, 7955960, 8751556, 8950455, 10939445, 11933940, 13127334, 14320728, 17503112, 17900910, 19691001, 21878890, 23867880, 26254668, 32818335, 35801820, 39382002, 43757780, 52509336, 65636670, 71603640, 78764004, 87515560, 98455005, 131273340, 157528008, 196910010, 262546680, 393820020, 787640040]

約数ペア:

[(1, 787640040), (2, 393820020), (3, 262546680), (4, 196910010), (5, 157528008), (6, 131273340), (8, 98455005), (9, 87515560), (10, 78764004), (11, 71603640), (12, 65636670), (15, 52509336), (18, 43757780), (20, 39382002), (22, 35801820), (24, 32818335), (30, 26254668), (33, 23867880), (36, 21878890), (40, 19691001), (44, 17900910), (45, 17503112), (55, 14320728), (60, 13127334), (66, 11933940), (72, 10939445), (88, 8950455), (90, 8751556), (99, 7955960), (110, 7160364), (120, 6563667), (132, 5966970), (165, 4773576), (180, 4375778), (198, 3977980), (220, 3580182), (264, 2983485), (330, 2386788), (360, 2187889), (396, 1988990), (440, 1790091), (495, 1591192), (660, 1193394), (792, 994495), (990, 795596), (1320, 596697), (1980, 397798), (3960, 198899)]