1301960320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 3243110400

約数和(自身を除く): 1941150080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 137, 155, 160, 248, 274, 310, 320, 479, 496, 548, 620, 640, 685, 958, 992, 1096, 1240, 1370, 1916, 1984, 2192, 2395, 2480, 2740, 3832, 3968, 4247, 4384, 4790, 4960, 5480, 7664, 8494, 8768, 9580, 9920, 10960, 14849, 15328, 16988, 17536, 19160, 19840, 21235, 21920, 29698, 30656, 33976, 38320, 42470, 43840, 59396, 61312, 65623, 67952, 74245, 76640, 84940, 87680, 118792, 131246, 135904, 148490, 153280, 169880, 237584, 262492, 271808, 296980, 306560, 328115, 339760, 475168, 524984, 543616, 593960, 656230, 679520, 950336, 1049968, 1187920, 1312460, 1359040, 1900672, 2034313, 2099936, 2375840, 2624920, 2718080, 4068626, 4199872, 4751680, 5249840, 8137252, 8399744, 9503360, 10171565, 10499680, 16274504, 20343130, 20999360, 32549008, 40686260, 41998720, 65098016, 81372520, 130196032, 162745040, 260392064, 325490080, 650980160, 1301960320]

約数ペア:

[(1, 1301960320), (2, 650980160), (4, 325490080), (5, 260392064), (8, 162745040), (10, 130196032), (16, 81372520), (20, 65098016), (31, 41998720), (32, 40686260), (40, 32549008), (62, 20999360), (64, 20343130), (80, 16274504), (124, 10499680), (128, 10171565), (137, 9503360), (155, 8399744), (160, 8137252), (248, 5249840), (274, 4751680), (310, 4199872), (320, 4068626), (479, 2718080), (496, 2624920), (548, 2375840), (620, 2099936), (640, 2034313), (685, 1900672), (958, 1359040), (992, 1312460), (1096, 1187920), (1240, 1049968), (1370, 950336), (1916, 679520), (1984, 656230), (2192, 593960), (2395, 543616), (2480, 524984), (2740, 475168), (3832, 339760), (3968, 328115), (4247, 306560), (4384, 296980), (4790, 271808), (4960, 262492), (5480, 237584), (7664, 169880), (8494, 153280), (8768, 148490), (9580, 135904), (9920, 131246), (10960, 118792), (14849, 87680), (15328, 84940), (16988, 76640), (17536, 74245), (19160, 67952), (19840, 65623), (21235, 61312), (21920, 59396), (29698, 43840), (30656, 42470), (33976, 38320)]