205495680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8233}}^1$

素因数の和:8268

約数の個数: 128

約数和(自身を含む): 705489120

約数和(自身を除く): 499993440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8233, 8320, 12480, 16466, 24699, 24960, 32932, 41165, 49398, 65864, 82330, 98796, 107029, 123495, 131728, 164660, 197592, 214058, 246990, 263456, 321087, 329320, 395184, 428116, 493980, 526912, 535145, 642174, 658640, 790368, 856232, 987960, 1053824, 1070290, 1284348, 1317280, 1580736, 1605435, 1712464, 1975920, 2140580, 2568696, 2634560, 3161472, 3210870, 3424928, 3951840, 4281160, 5137392, 5269120, 6421740, 6849856, 7903680, 8562320, 10274784, 12843480, 13699712, 15807360, 17124640, 20549568, 25686960, 34249280, 41099136, 51373920, 68498560, 102747840, 205495680]

約数ペア:

[(1, 205495680), (2, 102747840), (3, 68498560), (4, 51373920), (5, 41099136), (6, 34249280), (8, 25686960), (10, 20549568), (12, 17124640), (13, 15807360), (15, 13699712), (16, 12843480), (20, 10274784), (24, 8562320), (26, 7903680), (30, 6849856), (32, 6421740), (39, 5269120), (40, 5137392), (48, 4281160), (52, 3951840), (60, 3424928), (64, 3210870), (65, 3161472), (78, 2634560), (80, 2568696), (96, 2140580), (104, 1975920), (120, 1712464), (128, 1605435), (130, 1580736), (156, 1317280), (160, 1284348), (192, 1070290), (195, 1053824), (208, 987960), (240, 856232), (260, 790368), (312, 658640), (320, 642174), (384, 535145), (390, 526912), (416, 493980), (480, 428116), (520, 395184), (624, 329320), (640, 321087), (780, 263456), (832, 246990), (960, 214058), (1040, 197592), (1248, 164660), (1560, 131728), (1664, 123495), (1920, 107029), (2080, 98796), (2496, 82330), (3120, 65864), (4160, 49398), (4992, 41165), (6240, 32932), (8233, 24960), (8320, 24699), (12480, 16466)]