256308840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3344

約数の個数: 128

約数和(自身を含む): 866332800

約数和(自身を除く): 610023960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 438, 540, 584, 657, 730, 876, 1080, 1095, 1314, 1460, 1752, 1971, 2190, 2628, 2920, 3251, 3285, 3942, 4380, 5256, 6502, 6570, 7884, 8760, 9753, 9855, 13004, 13140, 15768, 16255, 19506, 19710, 26008, 26280, 29259, 32510, 39012, 39420, 48765, 58518, 65020, 78024, 78840, 87777, 97530, 117036, 130040, 146295, 175554, 195060, 234072, 237323, 292590, 351108, 390120, 438885, 474646, 585180, 702216, 711969, 877770, 949292, 1170360, 1186615, 1423938, 1755540, 1898584, 2135907, 2373230, 2847876, 3511080, 3559845, 4271814, 4746460, 5695752, 6407721, 7119690, 8543628, 9492920, 10679535, 12815442, 14239380, 17087256, 21359070, 25630884, 28478760, 32038605, 42718140, 51261768, 64077210, 85436280, 128154420, 256308840]

約数ペア:

[(1, 256308840), (2, 128154420), (3, 85436280), (4, 64077210), (5, 51261768), (6, 42718140), (8, 32038605), (9, 28478760), (10, 25630884), (12, 21359070), (15, 17087256), (18, 14239380), (20, 12815442), (24, 10679535), (27, 9492920), (30, 8543628), (36, 7119690), (40, 6407721), (45, 5695752), (54, 4746460), (60, 4271814), (72, 3559845), (73, 3511080), (90, 2847876), (108, 2373230), (120, 2135907), (135, 1898584), (146, 1755540), (180, 1423938), (216, 1186615), (219, 1170360), (270, 949292), (292, 877770), (360, 711969), (365, 702216), (438, 585180), (540, 474646), (584, 438885), (657, 390120), (730, 351108), (876, 292590), (1080, 237323), (1095, 234072), (1314, 195060), (1460, 175554), (1752, 146295), (1971, 130040), (2190, 117036), (2628, 97530), (2920, 87777), (3251, 78840), (3285, 78024), (3942, 65020), (4380, 58518), (5256, 48765), (6502, 39420), (6570, 39012), (7884, 32510), (8760, 29259), (9753, 26280), (9855, 26008), (13004, 19710), (13140, 19506), (15768, 16255)]