209128560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51257}}^1$

素因数の和:51290

約数の個数: 80

約数和(自身を含む): 686447136

約数和(自身を除く): 477318576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 51257, 102514, 153771, 205028, 256285, 307542, 410056, 512570, 615084, 768855, 820112, 871369, 1025140, 1230168, 1537710, 1742738, 2050280, 2460336, 2614107, 3075420, 3485476, 4100560, 4356845, 5228214, 6150840, 6970952, 8713690, 10456428, 12301680, 13070535, 13941904, 17427380, 20912856, 26141070, 34854760, 41825712, 52282140, 69709520, 104564280, 209128560]

約数ペア:

[(1, 209128560), (2, 104564280), (3, 69709520), (4, 52282140), (5, 41825712), (6, 34854760), (8, 26141070), (10, 20912856), (12, 17427380), (15, 13941904), (16, 13070535), (17, 12301680), (20, 10456428), (24, 8713690), (30, 6970952), (34, 6150840), (40, 5228214), (48, 4356845), (51, 4100560), (60, 3485476), (68, 3075420), (80, 2614107), (85, 2460336), (102, 2050280), (120, 1742738), (136, 1537710), (170, 1230168), (204, 1025140), (240, 871369), (255, 820112), (272, 768855), (340, 615084), (408, 512570), (510, 410056), (680, 307542), (816, 256285), (1020, 205028), (1360, 153771), (2040, 102514), (4080, 51257)]