254002560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18899}}^1$

素因数の和:18928

約数の個数: 128

約数和(自身を含む): 925344000

約数和(自身を除く): 671341440

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18899, 37798, 56697, 75596, 94495, 113394, 132293, 151192, 188990, 226788, 264586, 283485, 302384, 377980, 396879, 453576, 529172, 566970, 604768, 661465, 755960, 793758, 907152, 1058344, 1133940, 1209536, 1322930, 1511920, 1587516, 1814304, 1984395, 2116688, 2267880, 2419072, 2645860, 3023840, 3175032, 3628608, 3968790, 4233376, 4535760, 5291720, 6047680, 6350064, 7257216, 7937580, 8466752, 9071520, 10583440, 12095360, 12700128, 15875160, 16933504, 18143040, 21166880, 25400256, 31750320, 36286080, 42333760, 50800512, 63500640, 84667520, 127001280, 254002560]

約数ペア:

[(1, 254002560), (2, 127001280), (3, 84667520), (4, 63500640), (5, 50800512), (6, 42333760), (7, 36286080), (8, 31750320), (10, 25400256), (12, 21166880), (14, 18143040), (15, 16933504), (16, 15875160), (20, 12700128), (21, 12095360), (24, 10583440), (28, 9071520), (30, 8466752), (32, 7937580), (35, 7257216), (40, 6350064), (42, 6047680), (48, 5291720), (56, 4535760), (60, 4233376), (64, 3968790), (70, 3628608), (80, 3175032), (84, 3023840), (96, 2645860), (105, 2419072), (112, 2267880), (120, 2116688), (128, 1984395), (140, 1814304), (160, 1587516), (168, 1511920), (192, 1322930), (210, 1209536), (224, 1133940), (240, 1058344), (280, 907152), (320, 793758), (336, 755960), (384, 661465), (420, 604768), (448, 566970), (480, 529172), (560, 453576), (640, 396879), (672, 377980), (840, 302384), (896, 283485), (960, 264586), (1120, 226788), (1344, 188990), (1680, 151192), (1920, 132293), (2240, 113394), (2688, 94495), (3360, 75596), (4480, 56697), (6720, 37798), (13440, 18899)]