1520996800

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 168

約数和(自身を含む): 3996842400

約数和(自身を除く): 2475845600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 199, 200, 272, 281, 320, 340, 398, 400, 425, 544, 562, 680, 796, 800, 850, 995, 1088, 1124, 1360, 1405, 1592, 1600, 1700, 1990, 2248, 2720, 2810, 3184, 3383, 3400, 3980, 4496, 4777, 4975, 5440, 5620, 6368, 6766, 6800, 7025, 7960, 8992, 9554, 9950, 11240, 12736, 13532, 13600, 14050, 15920, 16915, 17984, 19108, 19900, 22480, 23885, 27064, 27200, 28100, 31840, 33830, 38216, 39800, 44960, 47770, 54128, 55919, 56200, 63680, 67660, 76432, 79600, 84575, 89920, 95540, 108256, 111838, 112400, 119425, 135320, 152864, 159200, 169150, 191080, 216512, 223676, 224800, 238850, 270640, 279595, 305728, 318400, 338300, 382160, 447352, 449600, 477700, 541280, 559190, 676600, 764320, 894704, 950623, 955400, 1082560, 1118380, 1353200, 1397975, 1528640, 1789408, 1901246, 1910800, 2236760, 2706400, 2795950, 3578816, 3802492, 3821600, 4473520, 4753115, 5412800, 5591900, 7604984, 7643200, 8947040, 9506230, 11183800, 15209968, 17894080, 19012460, 22367600, 23765575, 30419936, 38024920, 44735200, 47531150, 60839872, 76049840, 89470400, 95062300, 152099680, 190124600, 304199360, 380249200, 760498400, 1520996800]

約数ペア:

[(1, 1520996800), (2, 760498400), (4, 380249200), (5, 304199360), (8, 190124600), (10, 152099680), (16, 95062300), (17, 89470400), (20, 76049840), (25, 60839872), (32, 47531150), (34, 44735200), (40, 38024920), (50, 30419936), (64, 23765575), (68, 22367600), (80, 19012460), (85, 17894080), (100, 15209968), (136, 11183800), (160, 9506230), (170, 8947040), (199, 7643200), (200, 7604984), (272, 5591900), (281, 5412800), (320, 4753115), (340, 4473520), (398, 3821600), (400, 3802492), (425, 3578816), (544, 2795950), (562, 2706400), (680, 2236760), (796, 1910800), (800, 1901246), (850, 1789408), (995, 1528640), (1088, 1397975), (1124, 1353200), (1360, 1118380), (1405, 1082560), (1592, 955400), (1600, 950623), (1700, 894704), (1990, 764320), (2248, 676600), (2720, 559190), (2810, 541280), (3184, 477700), (3383, 449600), (3400, 447352), (3980, 382160), (4496, 338300), (4777, 318400), (4975, 305728), (5440, 279595), (5620, 270640), (6368, 238850), (6766, 224800), (6800, 223676), (7025, 216512), (7960, 191080), (8992, 169150), (9554, 159200), (9950, 152864), (11240, 135320), (12736, 119425), (13532, 112400), (13600, 111838), (14050, 108256), (15920, 95540), (16915, 89920), (17984, 84575), (19108, 79600), (19900, 76432), (22480, 67660), (23885, 63680), (27064, 56200), (27200, 55919), (28100, 54128), (31840, 47770), (33830, 44960), (38216, 39800)]