123403680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:180

約数の個数: 216

約数和(自身を含む): 452255076

約数和(自身を除く): 328851396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 71, 72, 80, 85, 90, 96, 102, 120, 136, 142, 144, 153, 160, 170, 180, 204, 213, 240, 255, 272, 284, 288, 306, 340, 355, 360, 408, 426, 480, 510, 544, 568, 612, 639, 680, 710, 720, 765, 816, 852, 1020, 1065, 1136, 1207, 1224, 1278, 1360, 1420, 1440, 1530, 1632, 1704, 2040, 2130, 2272, 2414, 2448, 2556, 2720, 2840, 3060, 3195, 3408, 3621, 4080, 4260, 4828, 4896, 5041, 5112, 5680, 6035, 6120, 6390, 6816, 7242, 8160, 8520, 9656, 10082, 10224, 10863, 11360, 12070, 12240, 12780, 14484, 15123, 17040, 18105, 19312, 20164, 20448, 21726, 24140, 24480, 25205, 25560, 28968, 30246, 34080, 36210, 38624, 40328, 43452, 45369, 48280, 50410, 51120, 54315, 57936, 60492, 72420, 75615, 80656, 85697, 86904, 90738, 96560, 100820, 102240, 108630, 115872, 120984, 144840, 151230, 161312, 171394, 173808, 181476, 193120, 201640, 217260, 226845, 241968, 257091, 289680, 302460, 342788, 347616, 362952, 403280, 428485, 434520, 453690, 483936, 514182, 579360, 604920, 685576, 725904, 771273, 806560, 856970, 869040, 907380, 1028364, 1209840, 1285455, 1371152, 1451808, 1542546, 1713940, 1738080, 1814760, 2056728, 2419680, 2570910, 2742304, 3085092, 3427880, 3629520, 3856365, 4113456, 5141820, 6170184, 6855760, 7259040, 7712730, 8226912, 10283640, 12340368, 13711520, 15425460, 20567280, 24680736, 30850920, 41134560, 61701840, 123403680]

約数ペア:

[(1, 123403680), (2, 61701840), (3, 41134560), (4, 30850920), (5, 24680736), (6, 20567280), (8, 15425460), (9, 13711520), (10, 12340368), (12, 10283640), (15, 8226912), (16, 7712730), (17, 7259040), (18, 6855760), (20, 6170184), (24, 5141820), (30, 4113456), (32, 3856365), (34, 3629520), (36, 3427880), (40, 3085092), (45, 2742304), (48, 2570910), (51, 2419680), (60, 2056728), (68, 1814760), (71, 1738080), (72, 1713940), (80, 1542546), (85, 1451808), (90, 1371152), (96, 1285455), (102, 1209840), (120, 1028364), (136, 907380), (142, 869040), (144, 856970), (153, 806560), (160, 771273), (170, 725904), (180, 685576), (204, 604920), (213, 579360), (240, 514182), (255, 483936), (272, 453690), (284, 434520), (288, 428485), (306, 403280), (340, 362952), (355, 347616), (360, 342788), (408, 302460), (426, 289680), (480, 257091), (510, 241968), (544, 226845), (568, 217260), (612, 201640), (639, 193120), (680, 181476), (710, 173808), (720, 171394), (765, 161312), (816, 151230), (852, 144840), (1020, 120984), (1065, 115872), (1136, 108630), (1207, 102240), (1224, 100820), (1278, 96560), (1360, 90738), (1420, 86904), (1440, 85697), (1530, 80656), (1632, 75615), (1704, 72420), (2040, 60492), (2130, 57936), (2272, 54315), (2414, 51120), (2448, 50410), (2556, 48280), (2720, 45369), (2840, 43452), (3060, 40328), (3195, 38624), (3408, 36210), (3621, 34080), (4080, 30246), (4260, 28968), (4828, 25560), (4896, 25205), (5041, 24480), (5112, 24140), (5680, 21726), (6035, 20448), (6120, 20164), (6390, 19312), (6816, 18105), (7242, 17040), (8160, 15123), (8520, 14484), (9656, 12780), (10082, 12240), (10224, 12070), (10863, 11360)]