728720160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{30983}}^1$

素因数の和:31015

約数の個数: 144

約数和(自身を含む): 2670325056

約数和(自身を除く): 1941604896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 30983, 61966, 92949, 123932, 154915, 185898, 216881, 247864, 309830, 371796, 433762, 464745, 495728, 619660, 650643, 743592, 867524, 929490, 991456, 1084405, 1239320, 1301286, 1487184, 1518167, 1735048, 1858980, 2168810, 2478640, 2602572, 2974368, 3036334, 3253215, 3470096, 3717960, 4337620, 4554501, 4957280, 5205144, 6072668, 6506430, 6940192, 7435920, 7590835, 8675240, 9109002, 10410288, 12145336, 13012860, 14871840, 15181670, 17350480, 18218004, 20820576, 22772505, 24290672, 26025720, 30363340, 34700960, 36436008, 45545010, 48581344, 52051440, 60726680, 72872016, 91090020, 104102880, 121453360, 145744032, 182180040, 242906720, 364360080, 728720160]

約数ペア:

[(1, 728720160), (2, 364360080), (3, 242906720), (4, 182180040), (5, 145744032), (6, 121453360), (7, 104102880), (8, 91090020), (10, 72872016), (12, 60726680), (14, 52051440), (15, 48581344), (16, 45545010), (20, 36436008), (21, 34700960), (24, 30363340), (28, 26025720), (30, 24290672), (32, 22772505), (35, 20820576), (40, 18218004), (42, 17350480), (48, 15181670), (49, 14871840), (56, 13012860), (60, 12145336), (70, 10410288), (80, 9109002), (84, 8675240), (96, 7590835), (98, 7435920), (105, 6940192), (112, 6506430), (120, 6072668), (140, 5205144), (147, 4957280), (160, 4554501), (168, 4337620), (196, 3717960), (210, 3470096), (224, 3253215), (240, 3036334), (245, 2974368), (280, 2602572), (294, 2478640), (336, 2168810), (392, 1858980), (420, 1735048), (480, 1518167), (490, 1487184), (560, 1301286), (588, 1239320), (672, 1084405), (735, 991456), (784, 929490), (840, 867524), (980, 743592), (1120, 650643), (1176, 619660), (1470, 495728), (1568, 464745), (1680, 433762), (1960, 371796), (2352, 309830), (2940, 247864), (3360, 216881), (3920, 185898), (4704, 154915), (5880, 123932), (7840, 92949), (11760, 61966), (23520, 30983)]