201566640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 688384512

約数和(自身を除く): 486817872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 631, 660, 726, 880, 968, 1210, 1262, 1320, 1331, 1452, 1815, 1893, 1936, 2420, 2524, 2640, 2662, 2904, 3155, 3630, 3786, 3993, 4840, 5048, 5324, 5808, 6310, 6655, 6941, 7260, 7572, 7986, 9465, 9680, 10096, 10648, 12620, 13310, 13882, 14520, 15144, 15972, 18930, 19965, 20823, 21296, 25240, 26620, 27764, 29040, 30288, 31944, 34705, 37860, 39930, 41646, 50480, 53240, 55528, 63888, 69410, 75720, 76351, 79860, 83292, 104115, 106480, 111056, 138820, 151440, 152702, 159720, 166584, 208230, 229053, 277640, 305404, 319440, 333168, 381755, 416460, 458106, 555280, 610808, 763510, 832920, 839861, 916212, 1145265, 1221616, 1527020, 1665840, 1679722, 1832424, 2290530, 2519583, 3054040, 3359444, 3664848, 4199305, 4581060, 5039166, 6108080, 6718888, 8398610, 9162120, 10078332, 12597915, 13437776, 16797220, 18324240, 20156664, 25195830, 33594440, 40313328, 50391660, 67188880, 100783320, 201566640]

約数ペア:

[(1, 201566640), (2, 100783320), (3, 67188880), (4, 50391660), (5, 40313328), (6, 33594440), (8, 25195830), (10, 20156664), (11, 18324240), (12, 16797220), (15, 13437776), (16, 12597915), (20, 10078332), (22, 9162120), (24, 8398610), (30, 6718888), (33, 6108080), (40, 5039166), (44, 4581060), (48, 4199305), (55, 3664848), (60, 3359444), (66, 3054040), (80, 2519583), (88, 2290530), (110, 1832424), (120, 1679722), (121, 1665840), (132, 1527020), (165, 1221616), (176, 1145265), (220, 916212), (240, 839861), (242, 832920), (264, 763510), (330, 610808), (363, 555280), (440, 458106), (484, 416460), (528, 381755), (605, 333168), (631, 319440), (660, 305404), (726, 277640), (880, 229053), (968, 208230), (1210, 166584), (1262, 159720), (1320, 152702), (1331, 151440), (1452, 138820), (1815, 111056), (1893, 106480), (1936, 104115), (2420, 83292), (2524, 79860), (2640, 76351), (2662, 75720), (2904, 69410), (3155, 63888), (3630, 55528), (3786, 53240), (3993, 50480), (4840, 41646), (5048, 39930), (5324, 37860), (5808, 34705), (6310, 31944), (6655, 30288), (6941, 29040), (7260, 27764), (7572, 26620), (7986, 25240), (9465, 21296), (9680, 20823), (10096, 19965), (10648, 18930), (12620, 15972), (13310, 15144), (13882, 14520)]