209397120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:784

約数の個数: 128

約数和(自身を含む): 672122880

約数和(自身を除く): 462725760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 191, 192, 240, 320, 382, 384, 480, 571, 573, 640, 764, 955, 960, 1142, 1146, 1528, 1713, 1910, 1920, 2284, 2292, 2855, 2865, 3056, 3426, 3820, 4568, 4584, 5710, 5730, 6112, 6852, 7640, 8565, 9136, 9168, 11420, 11460, 12224, 13704, 15280, 17130, 18272, 18336, 22840, 22920, 24448, 27408, 30560, 34260, 36544, 36672, 45680, 45840, 54816, 61120, 68520, 73088, 73344, 91360, 91680, 109061, 109632, 122240, 137040, 182720, 183360, 218122, 219264, 274080, 327183, 365440, 366720, 436244, 545305, 548160, 654366, 872488, 1090610, 1096320, 1308732, 1635915, 1744976, 2181220, 2617464, 3271830, 3489952, 4362440, 5234928, 6543660, 6979904, 8724880, 10469856, 13087320, 13959808, 17449760, 20939712, 26174640, 34899520, 41879424, 52349280, 69799040, 104698560, 209397120]

約数ペア:

[(1, 209397120), (2, 104698560), (3, 69799040), (4, 52349280), (5, 41879424), (6, 34899520), (8, 26174640), (10, 20939712), (12, 17449760), (15, 13959808), (16, 13087320), (20, 10469856), (24, 8724880), (30, 6979904), (32, 6543660), (40, 5234928), (48, 4362440), (60, 3489952), (64, 3271830), (80, 2617464), (96, 2181220), (120, 1744976), (128, 1635915), (160, 1308732), (191, 1096320), (192, 1090610), (240, 872488), (320, 654366), (382, 548160), (384, 545305), (480, 436244), (571, 366720), (573, 365440), (640, 327183), (764, 274080), (955, 219264), (960, 218122), (1142, 183360), (1146, 182720), (1528, 137040), (1713, 122240), (1910, 109632), (1920, 109061), (2284, 91680), (2292, 91360), (2855, 73344), (2865, 73088), (3056, 68520), (3426, 61120), (3820, 54816), (4568, 45840), (4584, 45680), (5710, 36672), (5730, 36544), (6112, 34260), (6852, 30560), (7640, 27408), (8565, 24448), (9136, 22920), (9168, 22840), (11420, 18336), (11460, 18272), (12224, 17130), (13704, 15280)]