71344640

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 120

約数和(自身を含む): 182851020

約数和(自身を除く): 111506380

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, 1160, 1240, 1280, 1798, 1856, 1922, 1984, 2320, 2480, 2560, 3596, 3712, 3844, 3968, 4495, 4640, 4805, 4960, 7192, 7424, 7688, 7936, 8990, 9280, 9610, 9920, 14384, 14848, 15376, 15872, 17980, 18560, 19220, 19840, 27869, 28768, 30752, 35960, 37120, 38440, 39680, 55738, 57536, 61504, 71920, 74240, 76880, 79360, 111476, 115072, 123008, 139345, 143840, 153760, 222952, 230144, 246016, 278690, 287680, 307520, 445904, 460288, 492032, 557380, 575360, 615040, 891808, 1114760, 1150720, 1230080, 1783616, 2229520, 2301440, 2460160, 3567232, 4459040, 7134464, 8918080, 14268928, 17836160, 35672320, 71344640]

約数ペア:

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