123857920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 88

約数和(自身を含む): 314812224

約数和(自身を除く): 190954304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 1423, 2176, 2560, 2720, 2846, 4352, 5120, 5440, 5692, 7115, 8704, 10880, 11384, 14230, 17408, 21760, 22768, 24191, 28460, 43520, 45536, 48382, 56920, 87040, 91072, 96764, 113840, 120955, 182144, 193528, 227680, 241910, 364288, 387056, 455360, 483820, 728576, 774112, 910720, 967640, 1457152, 1548224, 1821440, 1935280, 3096448, 3642880, 3870560, 6192896, 7285760, 7741120, 12385792, 15482240, 24771584, 30964480, 61928960, 123857920]

約数ペア:

[(1, 123857920), (2, 61928960), (4, 30964480), (5, 24771584), (8, 15482240), (10, 12385792), (16, 7741120), (17, 7285760), (20, 6192896), (32, 3870560), (34, 3642880), (40, 3096448), (64, 1935280), (68, 1821440), (80, 1548224), (85, 1457152), (128, 967640), (136, 910720), (160, 774112), (170, 728576), (256, 483820), (272, 455360), (320, 387056), (340, 364288), (512, 241910), (544, 227680), (640, 193528), (680, 182144), (1024, 120955), (1088, 113840), (1280, 96764), (1360, 91072), (1423, 87040), (2176, 56920), (2560, 48382), (2720, 45536), (2846, 43520), (4352, 28460), (5120, 24191), (5440, 22768), (5692, 21760), (7115, 17408), (8704, 14230), (10880, 11384)]