142689280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 132

約数和(自身を含む): 365880780

約数和(自身を除く): 223191500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 256, 290, 310, 320, 464, 496, 512, 580, 620, 640, 899, 928, 961, 992, 1024, 1160, 1240, 1280, 1798, 1856, 1922, 1984, 2320, 2480, 2560, 3596, 3712, 3844, 3968, 4495, 4640, 4805, 4960, 5120, 7192, 7424, 7688, 7936, 8990, 9280, 9610, 9920, 14384, 14848, 15376, 15872, 17980, 18560, 19220, 19840, 27869, 28768, 29696, 30752, 31744, 35960, 37120, 38440, 39680, 55738, 57536, 61504, 71920, 74240, 76880, 79360, 111476, 115072, 123008, 139345, 143840, 148480, 153760, 158720, 222952, 230144, 246016, 278690, 287680, 307520, 445904, 460288, 492032, 557380, 575360, 615040, 891808, 920576, 984064, 1114760, 1150720, 1230080, 1783616, 2229520, 2301440, 2460160, 3567232, 4459040, 4602880, 4920320, 7134464, 8918080, 14268928, 17836160, 28537856, 35672320, 71344640, 142689280]

約数ペア:

[(1, 142689280), (2, 71344640), (4, 35672320), (5, 28537856), (8, 17836160), (10, 14268928), (16, 8918080), (20, 7134464), (29, 4920320), (31, 4602880), (32, 4459040), (40, 3567232), (58, 2460160), (62, 2301440), (64, 2229520), (80, 1783616), (116, 1230080), (124, 1150720), (128, 1114760), (145, 984064), (155, 920576), (160, 891808), (232, 615040), (248, 575360), (256, 557380), (290, 492032), (310, 460288), (320, 445904), (464, 307520), (496, 287680), (512, 278690), (580, 246016), (620, 230144), (640, 222952), (899, 158720), (928, 153760), (961, 148480), (992, 143840), (1024, 139345), (1160, 123008), (1240, 115072), (1280, 111476), (1798, 79360), (1856, 76880), (1922, 74240), (1984, 71920), (2320, 61504), (2480, 57536), (2560, 55738), (3596, 39680), (3712, 38440), (3844, 37120), (3968, 35960), (4495, 31744), (4640, 30752), (4805, 29696), (4960, 28768), (5120, 27869), (7192, 19840), (7424, 19220), (7688, 18560), (7936, 17980), (8990, 15872), (9280, 15376), (9610, 14848), (9920, 14384)]