1268903560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 3073593600

約数和(自身を除く): 1804690040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 97, 115, 118, 184, 194, 230, 236, 241, 295, 388, 460, 472, 482, 485, 590, 776, 920, 964, 970, 1180, 1205, 1357, 1928, 1940, 2231, 2360, 2410, 2714, 3880, 4462, 4820, 5428, 5543, 5723, 6785, 8924, 9640, 10856, 11086, 11155, 11446, 13570, 14219, 17848, 22172, 22310, 22892, 23377, 27140, 27715, 28438, 28615, 44344, 44620, 45784, 46754, 54280, 55430, 56876, 57230, 71095, 89240, 93508, 110860, 113752, 114460, 116885, 131629, 142190, 187016, 221720, 228920, 233770, 263258, 284380, 327037, 467540, 526516, 537671, 568760, 654074, 658145, 935080, 1053032, 1075342, 1308148, 1316290, 1379243, 1635185, 2150684, 2616296, 2632580, 2688355, 2758486, 3270370, 4301368, 5265160, 5376710, 5516972, 6540740, 6896215, 10753420, 11033944, 13081480, 13792430, 21506840, 27584860, 31722589, 55169720, 63445178, 126890356, 158612945, 253780712, 317225890, 634451780, 1268903560]

約数ペア:

[(1, 1268903560), (2, 634451780), (4, 317225890), (5, 253780712), (8, 158612945), (10, 126890356), (20, 63445178), (23, 55169720), (40, 31722589), (46, 27584860), (59, 21506840), (92, 13792430), (97, 13081480), (115, 11033944), (118, 10753420), (184, 6896215), (194, 6540740), (230, 5516972), (236, 5376710), (241, 5265160), (295, 4301368), (388, 3270370), (460, 2758486), (472, 2688355), (482, 2632580), (485, 2616296), (590, 2150684), (776, 1635185), (920, 1379243), (964, 1316290), (970, 1308148), (1180, 1075342), (1205, 1053032), (1357, 935080), (1928, 658145), (1940, 654074), (2231, 568760), (2360, 537671), (2410, 526516), (2714, 467540), (3880, 327037), (4462, 284380), (4820, 263258), (5428, 233770), (5543, 228920), (5723, 221720), (6785, 187016), (8924, 142190), (9640, 131629), (10856, 116885), (11086, 114460), (11155, 113752), (11446, 110860), (13570, 93508), (14219, 89240), (17848, 71095), (22172, 57230), (22310, 56876), (22892, 55430), (23377, 54280), (27140, 46754), (27715, 45784), (28438, 44620), (28615, 44344)]